• Laboratory Research Domains

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  • Organic Semiconductor Materials, Devices & Circuits

    Developing new p-type and n-type organic semiconductor materials in collaboration with industry companies, fabricating and characterizing OTFT devices and circuits using synthesized inks and printing methods such as the inkjet method.
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  • Flexible and Stretchable Printed Physical Sensors

    Developing physical sensors that are printable, flexible, and highly sensitive. Objective is to realize sensors suitable for robots and healthcare by manufacturing flexible sensors and stretchable sensors that detect stress generated by pressure, bending, and tension.
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  • Flexible Hybrid Electronics

    Prototyping hybrid (FHE) sensors that are wearable and combine the flexibility of organic electronics with the high performance and functionality of Si-LSI while wirelessly transmitting sensor data.
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  • Ultra-Fine Printing Technologies

    Developing conductive inks suitable for use with reverse-offset printing, evaluating the functionality of OTFT electrodes and interconnects through printing experiments, and developing integrated circuit manufacturing processes.
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  • Development of the Metal Nanoparticle Ink

    Developing low-temperature sintered metal nanoparticle inks to improve the performance of printed TFT devices, with advanced particle designs and ink technology to reduce interconnect layer widths and the energy barrier with the semiconductor layer.
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  • Large-Area Sensor Technologies

    Developing large-area sensors that can continuously and unobtrusively measure vital signals such as heartbeat and respiration, and body movements. Thin, flexible sensors easily installable in beds, and employable in elderly care facilities or home care settings.
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  • Robotic Sensing Technologies

    Mounting flexible sensors on the robotic gripper hand, building a system linked with IoT networks to significantly improve safety and work efficiency, and create new application fields. By adding a tactile function to the grip, its gripping force can be controlled.
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New papers
News
Nov. 13, 2024
TNO Holst Centre and Yamagata Univ. conclude a comprehensive partnership agreement, which was featured on NHK News.
Events
Jan. 31, 2025
We exhibited at 'nano tech 2025' held at Tokyo Big Sight from January 29, 2025. We would like to thank you to everyone who visited our booth.
Job offer
Mar. 10, 2025
We are recruiting staff to work together at the Kumaki Laboratory.

Events
We exhibited at 'nano tech 2025' held at Tokyo Big Sight from January 29, 2025. We would like to thank you to everyone who visited our booth.

News
Meiko Electronics Co., Ltd. has announced the signing of a MoU with Yamagata University to promote industry-academia collaboration.

News
Jan.29,2025 We are exhibiting at「nano tech 2025 The 24th International Nanotechnology Exhibition & Conference」. We look forward to welcoming you.

News
The 2nd Yamagata University Soft Sensing Industry-Academia Collaboration Consortium Research Meeting will be held on Thursday, December 12, 2024, at the Station Conference Tokyo.

News
TNO Holst Centre and Yamagata Univ. conclude a comprehensive partnership agreement, which was featured on NHK News.

News
We are exhibiting at CEATEC 2024 (Makuhari Messe). We look forward to welcoming you.

News
[Notice] The 2nd Yamagata University Soft Sensing Industry-Academia Collaboration Consortium Research Meeting will be held on Thursday, December 12, 2024, at the Station Conference Tokyo. Detailed program information and registration methods will be announced on our website at a later date.

News
We will be exhibiting at CEATEC 2024, held at Makuhari Messe.

News
Netherland-Japan Joint Workshop -Creating the Future Electronics-was held on September 2, 2024 and was featured in the Yamagata newspaper.

News
The 1st Yamagata University Soft Sensing Industry-Academia Collaboration Consortium Research Symposium was held.

News
We issued a press release regarding the collaborative research results between our laboratory and Sanyo Chemical Industries, Ltd. on a ‘strain sensor using a stretchable UV-curable resin (Strultech),’ which was featured in over 8 newspapers, including the Chemical Industry Daily and The Nikkei. For an overview of the joint research, please refer to this link.

Result
A paper titled 'Advancing Robotic Gripper Control with the Integration of Flexible Printed Pressure Sensors' authored by Project Associate Professor Yasunori Takeda and Project Assistant Professor Yi-Fei Wang, has been published in Advanced Engineering Materials (IF: 3.6).

Result
A paper titled 'printing pressure optimization in reverse offset printing for micrograting fabrication' authored by Doctoral Course student Hayato KOMATSU and Project Associate Professor Yasunori Takeda, has been published in Japanese Journal of Applied Physics (IF: 1.5).

Events
We showcased our latest results on printed flexible sensors at 'WELL-BEING TECHNOLOGY 2024' held at Tokyo Big Sight from January 31, 2024. Thank you to everyone who visited our booth.

Result
A paper titled 'Printed Composite Film with Microporous/ Micropyramid Hybrid Conductive Architecture for Multifunctional Flexible Force Sensor' authored by Project Assistant Professor Yi-Fei Wang and B4 student Junya Yoshida, has been published in Nanomaterials (IF: 5.3).

More NEWS    More RESEARCH RESULTS

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【Kumaki, Office】
4-3-16 Jonan, Yonezawa, Yamagata
992-8510, JAPAN
YAMAGATA UNIVERSITY
Research Center for Organic Electronics (Bldg. 10)
Phone：+81-238-26-3725

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