Kawasaki, Japan

Tokunori Yamadaya

This inventor holds 2 USPTO granted patents. Top assignees: Tokyo Ohka Kogyo Co., Ltd., Nippon Steel Chemical & Material Co., Ltd.. Active years: 2020-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokunori Yamadaya. Retrieved from https://idiyas.com/inventor/tokunori-yamadaya

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 1


Company Filing History:


Years Active: 2020-2022

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2 patents (USPTO):Explore Patents

Title: The Innovations of Tokunori Yamadaya

Introduction

Tokunori Yamadaya is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of photosensitive resin compositions and adhesive technologies. With a total of 2 patents, his work has had a considerable impact on various applications, particularly in image sensors.

Latest Patents

Yamadaya's latest patents include a negative type photosensitive resin composition and a permanent adhesive composition for image sensors. The negative type photosensitive resin composition contains an epoxy group-containing resin, a metal oxide, and a cationic polymerization initiator. This initiator includes compounds that feature aryl groups and fluorinated alkyl groups, which enhance the performance of the resin. His second patent focuses on a permanent adhesive composition that provides excellent heat resistance and thermal shock resistance for image sensors. This composition is designed to bond substrates and supports effectively, ensuring durability and reliability in various applications.

Career Highlights

Throughout his career, Tokunori Yamadaya has worked with prominent companies such as Tokyo Ohka Kogyo Co., Ltd. and Nippon Steel Chemical & Material Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions that address industry needs.

Collaborations

Yamadaya has collaborated with talented individuals in his field, including Ryosuke Nakamura and Masatoshi Maeda. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Tokunori Yamadaya's contributions to the field of photosensitive materials and adhesives demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the functionality and reliability of products in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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