Members

Project Associate Professor　Staff

Yasunori TAKEDA

TEL: 0238-26-3387
E-mail: y.takeda<at>yz.yamagata-u.ac.jp
* Please rewrite "<at>" to "@" below e-mail addresses.

Education & Professional Experience

EDUCATION

April 2014.4 to 2017.3, Ph.D. in Department of Organic Materials Engineering, Graduate School of Science and Engineering, Yamagata University

March 2014, M.S. in Department of Electrical Engineering, Graduate School of Science and Engineering, Yamagata University

March 2012, B.S. in Department of Electrical Engineering, Faculty of Engineering, Yamagata University

Professional Experience

April 2015 to current, Japan Society for the Promotion of Science, Research Fellowship for Young Scientists (JSPS Research Fellow DC2)

(Awarded)

ICFPE 2015 Outstanding Paper Award

"Stacked Complementary Logic Circuits with Low-Voltage Operation using Printed Organic Thin-Film Transistor"

The 2015 International Conference on Flexible and Printed Electronics (ICFPE 2015), 2015, 10.22, Taiwan

A-COE 2013 Poster Award

"Logic Circuits Using Fully Solution-Processed Organic Thin-Film Transistors with Printed Electrodes"

The 5th Asian Conference on Organic Electronics 2013 (A-COE 2013), 2013.11.15, Korea

ICFPE 2012 Student Poster Award

"Patterning Method for Silver Nanoparticle Electrodes using Selectively Treated Hydrophilic and Hydrophobic Surfaces"

The 2012 International Conference on Flexible and Printed Electronics, 2012, 9.8, Japan

Research Interests

・ Organic Thin-film Transistor,
・ Integrated Circuits,
・ Printed Electronics,
・ Flexible Electronics,
・ Fabrication Process development

Others
Programming (C#)

Results

Jump to Google Scholar
Jump to ResearchGate
Jump to ORCiD (0000-0001-6976-2749)

Publication List

[72] "Development of printed X-ray grating and its application to an imaging system"
Hayato Komatsu, Wataru Yashiro, Xiaoyu Liang, Ayako Yoshida, Yasunori Takeda, Tomohito Sekine, Daisuke Kumaki, Shizuo Tokito
Japanese Journal of Applied Physics 63(4), 04096 (2024).

[71] "Advancing Robotic Gripper Control with the Integration of Flexible Printed Pressure Sensors"
Yasunori Takeda(*), Yi-Fei Wang, Ayako Yoshida, Tomohito Sekine, Daisuke Kumaki, Shizuo Tokito(*)
Advanced Engineering Materials 2302031 (Early View) .

[70] "Printing pressure optimization in reverse offset printing for micrograting fabrication"
Hayato Komatsu, Yasunori Takeda(*), Yi-Fei Wang, Ayako Yoshida, Tomohito Sekine, Shizuo Tokito(*)
Japanese Journal of Applied Physics, 63(2), 020904 (2024).

[69] "Printed organic transistors and complementary ring oscillators operatable at 200 mV"
Masaya Yamada, Yasunori Takeda, Shizuo Tokito, Hiroyuki Matsui
Applied Physics Express, 17, 011010 (2024).

[68] "Printed Composite Film with Microporous/Micropyramid Hybrid Conductive Architecture for Multifunctional Flexible Force Sensors"
Yi-Fei Wang(*), Junya Yoshida, Yasunori Takeda, Ayako Yoshida, Takeru Kaneko, Tomohito Sekine, Daisuke Kumaki, Shizuo Tokito(*)
Nanomaterials, 14(1), 63 (2024).

[67] "A Flexible, 2.4-GHz Wireless Ion Sensor System Using Printed Organic Amplifiers with 3-V Single Supply"
Rei Shiwaku(*), Hiroyuki Matsui(*), Yuki Hommura, Yasunori Takeda, Kuniaki Nagamine, Shizuo Tokito(*)
Advanced Electronic Materials, 9(11), 2300396 (2023).

[66] "Printed Bilayer Liquid Metal Soft Sensors for Strain and Tactile Perception in Soft Robotics"
Takeru Kaneko, Yi-Fei Wang(*), Mayuka Hori, Tomohito Sekine, Ayako Yoshida, Yasunori Takeda, Daisuke Kumaki, Shizuo Tokito(*)
Advanced Materials Technologies, 8(17), 2300436 (2023).

[65] "Robotic e-skin for high performance stretchable acceleration sensor via combinations of novel soft and functional polymers"
Tomohito Sekine(*), Keita Ito, Yoshinori Shouji, Ryosuke Suga, Tatsuya Yasuda, Yi-Fei Wang, Yasunori Takeda, Daisuke Kumaki, Fabrice Domingues Dos Santos, Huang Tong, Atsushi Miyabo, Shizuo Tokito
APPLIED materialstoday, 33, 101877 (2023).

[64] "Printed Directional Bending Sensor with High Sensitivity and Low Hysteresis for Human Motion Detection and Soft Robotic Perception"
Yi-Fei Wang(*), Ayako Yoshida, Yasunori Takeda, Tomohito Sekine, Daisuke Kumaki, Shizuo Tokito(*)
Sensors, 23(11), 5041 (2023).

[63] "Printed organic Schottky diode with self-assembled monolayer for 13.56 MHz band near-field communication"
Masaya Yamada, Yasunori Takeda, Shizuo Tokito, Hiroyuki Matsui
Applied Physics Express, 16, 056502 (2023).

[62] "An integrate-and-fire neuron circuit made from printed organic field-effect transistors"
Vanessa Tischler(*), Piotr Dudek(*), Jayawan Wijekoon, Leszek A. Majewski, Yasunori Takeda, Shizuo Tokito, Michael L. Turner
Organic Electronics, 113, 106685 (2023).

[61] "Optimization of the blend ratio of soft functional polymers for high piezoelectric performance stretchable device"
Keita Ito, Tomohito Sekine, Yoshinori Shouji, Yi-Fei Wang, Yasunori Takeda, Daisuke Kumaki, Fabrice Domingues Dos Santos, Huang Tong, Atsushi Miyabo, Shizuo Tokito
Applied Physics Express, 16(1), 011004 (2023).

[60] "Fast Response, High-Power Tunable Ultrathin Soft Actuator by Functional Piezoelectric Material Composite for Haptic Device Application"
Yoshinori Shouji, Tomohito Sekine, Keita Ito, Naoya Ito, Tatsuya Yasuda, Yi-Fei Wang, Yasunori Takeda, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Shizuo Tokito
Advanced Electronic Materials, 9(9), 2201040 (2023).

[59] "Micro-Pore Composed Soft Pressure Sensor with Ether-Surfactant via High-Sensitivity in Wide Range for Robotic Machine Interface Application"
Kaiin Tou, Kenta Nara, Tomohito Sekine, Yi-Fei Wang, Yasunori Takeda, Daisuke Kumaki, Shizuo Tokito
Advanced Sensor Research, 2(9), 2300045 (2023).

[58] "N-Type Printed Organic Source-Gated Transistors with High Intrinsic Gain"
Yudai Hemmi, Yuji Ikeda, Radu A. Sporea, Yasunori Takeda, Shizuo Tokito, Hiroyuki Matsui(*)
Nanomaterials, 12(24), 4441 (2022).

[57] "Inkjet-Printed Ag/a-TiO2/Ag Neuromorphic Nanodevice Based on Functionalized Ink"
Barbara Salonikidou(*), Adnan Mehonic, Yasunori Takeda, Shizuo Tokito, Jonathan England, Radu A. Sporea
Advanced Engineering Materials, 24(11), 2200439 (2022).

[56] "Bottom gate top contact organic transistors using thiophene and furan flanked diketopyrrolopyrrole polymers and its comparative study"
Thu-Trang Do, Yasunori Takeda, Tomohito Sekine, Yogesh Yadav, Sergei Manzhos, Krishna Feron, Samarendra P Singh, Shizuo Tokito, Prashant Sonar
Flexible and Printed Electronics, 7(3), 035014 (2022).

[55] "Printed Low-Hysteresis Stretchable Strain Sensor Based on a Self-Segregating Conductive Composite"
Ayako Yoshida, Yi-Fei Wang(*), Tomohito Sekine, Yasunori Takeda, Daisuke Kumaki, and Shizuo Tokito(*)
ACS Applied Engineering Materials, 1(1), 50-58 (2022).

[54] "Printed, all-carbon-based flexible humidity sensor using a cellulose nanofiber/graphene nanoplatelet composite"
Ayako Yoshida, Yi-Fei Wang, Shogo Tachibana, Ayuka Hasegawa, Tomohito Sekine(*), Yasunori Takeda, Jinseo Hong, Daisuke Kumaki, Takeo Shiba, Shizuo Tokito(*)
Carbon Trends, 7, 100166(2022).

[53] "Optimization of a Soft Pressure Sensor in Terms of the Molecular Weight of the Ferroelectric-Polymer Sensing Layer"
Yushi Watanabe, Tomohito Sekine, Reo Miura, Mai Abe, Yoshinori Shouji, Keita Ito, Yi-Fei Wang, Jinseo Hong, Yasunori Takeda, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Shizuo Tokito
Advanced Functional Materials, 32(16), 2107434(2022).

[52] "A Printed Flexible Humidity Sensor with High Sensitivity and Fast Response Using a Cellulose Nanofiber/Carbon Black Composite"
Shogo Tachibana, Yi-Fei Wang, Tomohito Sekine, Yasunori Takeda, Jinseo Hong, Ayako Yoshida, Mai Abe, Reo Miura, Yushi Watanabe, Daisuke Kumaki, Shizuo Tokito
ACS Applied Materials & Interfaces, 14(4), 5721-5728(2022).

[51] "Flexible organic thin-film transistor immunosensor printed on a one-micron-thick film"
Minamiki Tsukuru, Minami Tsuyoshi, Chen Yi-Pu, Mano Taisei, Yasunori Takeda, Fukuda Kenjiro, Tokito Shizuo
Communications Materials, 2(1),8(2021).

[50] "Visualizing Quasi-Static Electric Fields with Flexible and Printed Organic Transistors"
Itsuki Shoji, Hideki Wada, Kodai Uto, Yasunori Takeda, Toshiyuki Sugimoto, Hiroyuki Matsui
Advanced Materials Technologies, 6(12),2100723(2021).

[49] "Deep Eutectic Solvent Induced Porous Conductive Composite for Fully Printed Piezoresistive Pressure Sensor"
Yi‐Fei Wang, Tomohito Sekine, Yasunori Takeda, Jinseo Hong, Ayako Yoshida, Daisuke Kumaki, Takeo Shiba, Shizuo Tokito
Advanced Materials Technologies, 6(12),2100731(2021).

[48] "Single and dual-gate organic field-effect transistors based on diketopyrrolopyrrole-diethienothiophene polymers: performance modulation via dielectric interfaces"
Basanagouda Balappa Patil, Yasunori Takeda, Subhash Singh, Amandeep Singh, Thu Trang Do, Kostya (Ken) Ostrikov, Samarendra P Singh, Shizuo Tokito, Ajay Pandey. Prashant Sonar
Materials Research Express, 8, 096301 (2021).

[47] "Flexible printed temperature sensor with high humidity stability using bilayer passivation"
Shogo Tachibana, Yi-Fei Wang, Tomohito Sekine, Ayako Yoshida, Yasunori Takeda, Mai Abe, Reo Miura, Yushi Watanabe, Daisuke Kumaki, Shizuo Tokito
Flexible and Printed Electronics, 6(3), 034002 (2021).

[46] "Flexible and Printed Organic Nonvolatile Memory Transistor with Bilayer Polymer Dielectrics"
Woojo Kim, Jimin Kwon, Yasunori Takeda, Tomohito Sekine, Shizuo Tokito, Sungjune Jung
Advanced Materials Technologies, 6, 2100141-2100146 (2021).

[45] "Artificial Cutaneous Sensing of Object Slippage using Soft Robotics with Closed-Loop Feedback Process"
Tomohito Sekine, Yi-Fei Wang, Jinseo Hong, Yasunori Takeda, Reo Miura, Yushi Watanabe, Mai Abe, Yoshiki Mori, Zhongkui Wang, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Sadao Kawamura, Shizuo Tokito
small science, 1(3), 2100002 (2021).

[44] "Flexible organic thin-film transistor immunosensor printed on a one-micron-thick film"
Tsukuru Minamiki, Tsuyoshi Minami, Yi-Pu Chen, Taisei Mano, Yasunori Takeda, Kenjiro Fukuda & Shizuo Tokito
Communications Materials, 2, 8 (2021).

[43] "Microporous Induced Fully Printed Pressure Sensor for Wearable Soft Robotics Machine Interfaces"
Tomohito Sekine, Mai Abe, Kosuke Muraki, Shogo Tachibana, Yi-Fei Wang, Jinseo Hong, Yasunori Takeda, Daisuke Kumaki, Shizuo Tokito
Adv. Intell. Syst., 2, 2000179 (2020).

[42] "Fully Printed PEDOT:PSS-based Temperature Sensor with High Humidity Stability for Wireless Healthcare Monitoring"
Yi-Fei Wang, Tomohito Sekine, Yasunori Takeda, Koji Yokosawa, Hiroyuki Matsui, Daisuke Kumaki, Takeo Shiba, Takao Nishikawa, Shizuo Tokito
Scientific Reports, 10, 2467 (2020).

[41] "Electrode and dielectric layer interface device engineering study using furan flanked diketopyrrolopyrrole–dithienothiophene polymer based organic transistors"
Basanagouda. B. Patil, Yasunori Takeda, Subhash Singh, Tony Wang, Amandeep Singh, Thu Trang Do, Samarendra P. Singh, Shizuo Tokito, Ajay K. Pandey, Prashant Sonar
Scientific Reports, 10, 19989 (2020).

[40] "Printed Soft Sensor with Passivation Layers for the Detection of Object Slippage by a Robotic Gripper"
Reo Miura, Tomohito Sekine, Yi-Fei Wang, Jinseo Hong, Yushi Watanabe, Keita Ito, Yoshinori Shouji, Yasunori Takeda, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Shizuo Tokito
Micromachines, 11(10), pp.927 (2020).

[39] "Reduced Threshold Voltages and Enhanced Mobilities in Diketopyrrolopyrrole–Dithienothiophene Polymer-Based Organic Transistor by Interface Engineering"
Basanagouda B. Patil, Yasunori Takeda, Thu Trang Do, Amandeep Singh, Tomohito Sekine, Soniya D. Yambem, Shizuo Tokito, Samarendra P. Singh, Ajay K. Pandey, Prashant Sonar
Phys. Status Solidi A, 217, pp.2000097 (2020).

[38] "Flexible inkjet-printed dual-gate organic thin film transistors and PMOS inverters: Noise margin control by top gate"
Subhash Singh*, Yasunori Takeda, Hiroyuki Matsui,Shizuo Tokito
Organic Electronics, 85, pp.105847 (2020).

[37] "Printed Strain Sensor with High Sensitivity and Wide Working Range Using a Novel Brittle–Stretchable Conductive Network"
Yi-Fei Wang*, Tomohito Sekine, Yasunori Takeda, Jinseo Hong, Ayako Yoshida, Hiroyuki Matsui, Daisuke Kumaki, Takao Nishikawa, Takeo Shiba, Tadahiro Sunaga, Shizuo Tokito*
ACS Appl. Mater. Interfaces, 12(31), pp.35282-35290 (2020).

[36] "High-speed Complementary Integrated Circuit with a Stacked Structure using Fine Electrodes Formed by Reverse Offset Printing"
Yasunori Takeda, Tomohito Sekine, Yi-Fei Wang, Tomoko Okamoto, Hiroyuki Matsui, Daisuke Kumaki, Shizuo Tokito
ACS Appl. Electron. Mater., 2, pp.763-768 (2020). "(Front Cover)"

[35] "Fully Printed PEDOT:PSS-based Temperature Sensor with High Humidity Stability for Wireless Healthcare Monitoring"
Yi-Fei Wang, Tomohito Sekine, Yasunori Takeda, Koji Yokosawa, Hiroyuki Matsui, Daisuke Kumaki, Takeo Shiba, Takao Nishikawa, Shizuo Tokito
Scientific Reports, 10, 2467 (2020).

[34] "Flexible PMOS Inverter and NOR Gate Using Inkjet-Printed Dual-Gate Organic Thin Film Transistors"
Subhash Singh, Yasunori Takeda, Hiroyuki Matsui, Shizuo Tokito
IEEE Electron Device Letters, 41, 409-412 (2020).

[33] "Toward Fully Printed Memristive Elements: a-TiO2 Electronic Synapse from Functionalized Nanoparticle Ink"
Barbara Salonikidou, Yasunori Takeda, Brice Le Borgne, Jonathan England, Shizuo Tokito, Radu A. Sporea
ACS Appl. Electron. Mater., 1(12), pp.2692-2700 (2019).

[32](REVIEW) "Flexible and printed organic transistors: From materials to integrated circuits"
Hiroyuki Matsui, Yasunori Takeda, Shizuo Tokito
Organic Electronics, 75, 105432 (2019).

[31] "Ferroelectric polymer-based fully printed flexible strain rate sensors and their application for human motion capture"
Jun Sato, Tomohito Sekine, Wang Yi-Fei, Yasunori Takeda Hiroyuki Matsui, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Shizuo Tokito
Sensors and Actuators A: Physical, 295, pp.93-98 (2019).

[30] "Ferroelectric polymer-based fully printed flexible strain rate sensors and their application for human motion capture"
Tomohito Sekine, Tomoya Tashiro, Yasunori Takeda, Daisuke Kumaki, Fabrice Domindues Dos Santos, Atsushi Miyabo, Shizuo Tokito
Jpn. J. Appl. Phys., 58, 080906 (2019).

[29] "Low Operating Voltage and Highly Pressure-Sensitive Printed Sensor for Human Vital Sign Monitoring with Analogic Amplifier Circuit"
Tomohito Sekine, Alexandre Gaitis, Jun Sato, Kohei Miyazawa, Kosuke Muraki, Rei Shiwaku, Yasunori Takeda, Hiroyuki Matsui, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Micael Charbonneau, Shizuo Tokito
ACS Appl. Electron. Mater., 1(2), pp.246-252 (2019).
"Front Cover"

[28] "Three-dimensional monolithic integration in flexible printed organic transistors"
Jimin Kwon, Yasunori Takeda, Rei Shiwaku, Shizuo Tokito, Kilwon Cho, Sungjune Jung
Nature Communication, 10, 54 (2019).

[27] "Charge Carrier Distribution in Dual-Gate Organic Thin-Film Transistors"
Rei Shiwaku, Masataka Tamura, Hiroyuki Matsui, Yasunori Takeda, Tomohide Murase, Shizuo Tokito
applied sciences, 8(8), 1341 (2018).

[26] "Printed Organic Complementary Inverter with Single SAM Process Using a p-type D-A Polymer Semiconductor"
Yasunori Takeda, Tomohito Sekine, Rei Shiwaku, Tomohide Murase, Hiroyuki Matsui, Daisuke Kumaki, Shizuo Tokito
applied sciences, 8(8), 1331 (2018). "Issue Cover"

[25] "Printed 5-V organic operational amplifiers for various signal processing"
Hiroyuki Matsui, Kazuma Hayasaka, Yasunori Takeda, Rei Shiwaku, Jimin Kwon, Shizuo Tokito
Scientific Reports, 8, 8980 (2018).

[24] "Morphological Behavior of Printed Silver Electrodes with Protective Self-Assembled Monolayers for Electrochemical Migration"
Tomohito Sekine, Jun Sato, Yasunori Takeda, Daisuke Kumaki, Shizuo Tokito
ACS Applied Materials & Interfaces, 10, 16210-16215 (2018).

[23] "A Printed Organic Circuit System for Wearable Amperometric Electrochemical Sensors"
Rei Shiwaku, Hiroyuki Matsui, Kuniaki Nagamine, Mayu Uematsu, Taisei Mano, Yuki Maruyama, Ayako Nomura, Kazuhiko Tsuchiya, Kazuma Hayasaka, Yasunori Takeda, Takashi Fukuda, Daisuke Kumaki, and Shizuo Tokito
Scientific Reports, 8, 6368 (2018).

[22] "Fully Printed Wearable Vital Sensor for Human Pulse Rate Monitoring using Ferroelectric Polymer"
Tomohito Sekine, Ryo Sugano, Tomoya Tashiro, Jun Sato, Yasunori Takeda, Hiroyuki Matsui, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, and Shizuo Tokito
Scientific Reports, 8, 4442 (2018).

[21] "A Printed Organic Amplification System for Wearable Potentiometric Electrochemical Sensors"
Rei Shiwaku, Hiroyuki Matsui, Kuniaki Nagamine, Mayu Uematsu, Taisei Mano, Yuki Maruyama, Ayako Nomura, Kazuhiko Tsuchiya, Kazuma Hayasaka, Yasunori Takeda, Takashi Fukuda, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 8, 3922 (2018).

[20] "Naphthalimide end capped anthraquinone based solution-processable n-channel organic semiconductors: effect of alkyl chain engineering on charge transport"
Thu-Tang Do*, Yasunori Takeda*, Sergei Manzhos, John Bell, Shizuo Tokito, Prashant Sonar
Journal of Materials Chemistry C, 6, 3774-3786 (2018). (* equal contribution)

[19] "Organic Complementary Inverter Circuits Fabricated with Reverse Offset Printing"
Yasunori Takeda, Yudai Yoshimura, Rei Shiwaku, Kazuma Hayasaka, Tomohito Sekine, Tomoko Okamoto, Hiroyuki Matsui, Daisuke Kumaki, Yoshinori Katayama, Shizuo Tokito
Advanced Electronic Materials, 4, 1700313 (2018). "Frontispiece"

[18] "Compact Organic Complementary D-Type Flip-Flop Circuits Fabricated with Inkjet Printing"
Kazuma Hayasaka, Hiroyuki Matsui, Yasunori Takeda, Rei Shiwaku, Yasuhiro Tanaka, Takeo Shiba, Daisuke Kumaki, Shizuo Tokito
Advanced Electronic Materials , 3, 1700208 (2017).

[17] "Low-Band Gap Bistetracene-Based Organic Semiconductors Exhibiting Air Stability, High Aromaticity and Mobility"
Kamal Sbargoud, MASASHI MAMADA, Tanguy Jousselin-Oba, Yasunori Takeda, Shizuo Tokito, Abderrahim Yassar, Jerome Marrot,
Chemistry - A European Journal, 23, pp.1-6 (2017).

[16] "Printed Organic Inverter Circuits with Ultra-Low Operating Voltages"
Rei Shiwaku, Hiroyuki Matsui, Kazuma Hayasaka, Yasunori Takeda, Takashi Fukuda, Daisuke Kumaki, Shizuo Tokito
Advanced Electronic Materials, 3, 1600557 (2017).

[15] "Three-Dimensional, Inkjet-Printed Organic Transistors and Integrated Circuits with 100% Yield, High-Uniformity and Long-Term Stability"
Jimin Kwon, Yasunori Takeda, Kenjiro Fukuda, Kilwon Cho, Shizuo Tokito, Sungjune Jung
ACS Nano, 10, pp.10324-10330 (2016). "Cover Picture"

[14] "Printed 2 V-operating organic inverter arrays employing a small-molecule/polymer blend"
Rei Shiwaku, Yasunori Takeda, Takashi Fukuda, Kenjiro Fukuda, Hiroyuki Matsui, Daisuke Kumaki, and Shizuo Tokito
Scientific Reports, 6, 34723 (2016).

[13] "Fabrication of Ultra-Thin Printed Organic TFT CMOS Logic Circuits Optimized for Low-Voltage Wearable Sensor Applications"
Yasunori Takeda, Kazuma Hayasaka, Rei Shiwaku, Koji Yokosawa, Takeo Shiba, Masashi Mamada, Daisuke Kumaki, Kenjiro Fukuda and Shizuo Tokito
Scientific Reports, 6, 25714 (2016). "おすすめのコンテンツ2016年5月 Pick Up"

[12] "Vertically Stacked Complementary Organic Field-Effect Transistors and Logic Circuits Fabricated by Inkjet-Printing"
Jimin Kwon, Yasunori Takeda, Kenjiro Fukuda, Kilwon Cho, Shizuo Tokito and Sungjune Jung
Advanced Electronic Materials, 2, 1600046 (2016). "Cover Picture"

[11] "Reverse-offset Printing Optimized for Scalable Organic Thin-film Transistors with Sub-micrometer Channel Lengths"
Kenjiro Fukuda, Yudai Yoshimura, Tomoko Okamoto, Yasunori Takeda, Daisuke Kumaki, Yoshinori Katayama and Shizuo Tokito
Advanced Electronic Materials, 1, 1500145 (2015).

[10] "Flip-flop logic circuit based on fully solution-processed organic thin film transistor devices with reduced variations in electrical performance"
Yasunori Takeda, Yudai Yoshimura, Faiz Adi Ezarudin Bin Adib, Daisuke Kumaki, Kenjiro Fukuda and Shizuo Tokito
Japanese Journal of Applied Physics 54 04DK03 (2015).

[9] "Control of threshold voltage in organic thin-film transistors by modifying gate electrode surface with MoOX aqueous solution and inverter circuit applications"
Rei Shiwaku, Yudai Yoshimura, Yasunori Takeda, Kenjiro Fukuda, Daisuke Kumaki and Shizuo Tokito
Applied Physics Letters, 106, 053301 (2015).

[8] "High-speed operation in printed organic inverter circuits with short channel length"
Yudai Yoshimura, Yasunori Takeda, Kenjiro Fukuda, Daisuke Kumaki and Shizuo Tokito
Organic Electronics, 15, 2696-2701 (2014).

[7] "Fully-printed high-performance organic thin-film transistors and circuitry on one-micron-thick polymer films"
Kenjiro Fukuda, Yasunori Takeda, Yudai Yoshimura, Rei Shiwaku, Lam Truc Tran, Tomohito Sekine, Makoto Mizukami, Daisuke Kumaki and Shizuo Tokito
Nature Communications, 5, 4147 (2014).

[6] "Fine patterning method for silver nanoparticle electrodes using differential hydrophobic and hydrophilic surface properties"
Ryo Sugano, Yasunori Takeda, Yu Kobayashi, Kenjiro Fukuda, Daisuke Kumaki and Shizuo Tokito
Japanese Journal of Applied Physics, 53, 04EK01 (2014).

[5] "Fully Solution-Processed Flexible Organic Thin Film Transistor Arrays with High Mobility and Exceptional Uniformity"
Kenjiro Fukuda, Yasunori Takeda, Makoto Mizukami, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 4, 3947 (2014).

[4] "Integrated circuits using fully solution-processed organic TFT devices with printed silver electrodes"
Yasunori Takeda, Yudai Yoshimura, Yu Kobayashi, Daisuke Kumaki, Kenjiro Fukuda and Shizuo Tokito
Organic Electronics 14, 3362-3370 (2013)

[3] "Strain sensitivity and durability in p-type and n-type organic thin-film transistors with printed silver electrodes"
Kenjiro Fukuda, Kenta Hikichi, Tomohito Sekine, Yasunori Takeda, Tsukuru Minamiki, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 3, 2048 (2013).

[2] "Patterning Method for Silver Nanoparticle Electrodes in Fully Solution-Processed Organic Thin-Film Transistors Using Selectively Treated Hydrophilic and Hydrophobic Surfaces"
Kenjiro Fukuda, Yasunori Takeda, Yu Kobayashi, Masahiro Shimizu, Tomohito Sekine, Daisuke Kumaki, Masato Kurihara, Masatomi Sakamoto and Shizuo Tokito
Japanese Journal of Applied Physics, 52, 05DB05 (2013).

[1] "Organic integrated circuits using room-temperature sintered silver nanoparticles as printed electrodes"
Kenjiro Fukuda, Tomohito Sekine, Yu Kobayashi, Yasunori Takeda, Masahiro Shimizu, Naoya Yamashita, Daisuke Kumaki, Mitsunori Itoh, Minami Nagaoka, Takami Toda, Sayaka Saito, Masato Kurihara, Masatomi Sakamoto and Shizuo Tokito
Organic Electronics, 13, 3296-3301 (2012).
[8] "Tactile function of robot hand using printable flexible pressure sensor array"
(Oral) Y. Takeda, Y.-F. Wang, T. Sekine, D. Kumaki, S. Tokito
The Robotics and Mechatronics Conference 2022 in Sapporo (ROBOMECH2022), June 1-4, Sapporo, Japan
[7] "Printed High-resolution Silver Electrodes using Reverse-offset Printing Technology for Complementary Circuits"
(Poster) Y. Takeda, Y. Yoshimura, T. Okamoto, H. Matsui, D. Kumaki, Y. Katayama, S. Tokito
International Conference on Flexible and Printed Electronics (2016 ICFPE), September 6-8, Yamagata University, Yonezawa, Japan
[6] "Stacked Complementary Logic Circuits with Low-Voltage Operation using Printed Organic Thin-Film Transistor"
(Oral) Y. Takeda, K. Kakita, H. Shima, Y. Yoneda, Y. Tanaka, M. Mamada, K. Fukuda, D. Kumaki, S. Tokito
The 2015 International Conference on Flexible and Printed Electronics(ICFPE 2015), 2015, 10.22, R73, Taipei Nangang Exhibition Center, Taiwan (Outstanding Paper Award)
[5] "Flip-Flop Circuits using Fully Solution Processed Pseudo-CMOS Circuits"
(Oral) Y. Takeda, Y. Yoshimura, F. A. Ezarudin Binn Adib, K. Fukuda, D. Kumaki, and S. Tokito
2014 International Conference on Solid State Devices and Materials (SSDM 2014), K-1-2, 9th September 9, 2014, International Congress Center Epochal Tsukuba, Japan
[4] "Fully Solution -processed Organic Flip-flop circuit with ink-jet printed electrodes"
(Oral) Yasunori Takeda, Yudai Yoshimura, Faiz Adi Ezarudin Bin Adib, Kenjiro Fukuda, Daisuke Kumaki, and Shizuo Tokito
The 8th International Symposium on Organic Molecular Electronics (ISOME 2014), O8-3, 16th, May, Tokyo University of Agriculture and Technology, Tokyo, Japan (2014).
[3] "Logic Circuits Using Fully Solution-Processed Organic Thin-Film Transistors with Printed Electrodes "
(Poster) Yasunori Takeda, Yudai Yoshimura, Yu Kobayashi, Kenjiro Fukuda, Daisuke Kumaki and Shizuo Tokito
The 5th Asian Conference on Organic Electronics (A-COE) 2013, 13th-15th, November, POSCO International Center, Pohang, Korea (2013). (Outstanding Poster Award)
[2]"Fully Solution-Processed Organic Integrated Circuits with printed electrodes"
(Poster) Yasunori Takeda, Yudai Yoshimura, Yu Kobayashi, Kenjiro Fukuda, Daisuke Kumaki, Shizuo Tokito
The 9th International Thin-Film Transistor Conference (ITC2013), 1pLP22, The University of Tokyo, Japan, March 1-2 (2013)
[1] "Patterning Method for Silver Nanoparticle Electrodes using Selectively Treated Hydrophilic and Hydrophobic Surfaces"
(Poster) Yasunori Takeda, Yu Kobayashi, Masahiro Shimizu, Tomohito Sekine, Kenjiro Fukuda, Daisuke Kumaki, Masato Kurihara, Masatomi Sakamoto, and Shizuo Tokito
2012 International Conference on Flexible and Printed Electronics (ICFPE2012), S12-P5, The University of Tokyo, Tokyo, Japan. (Student Award)

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