Shimodate, Japan

Koichi Tsuyama

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1982-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Tsuyama. Retrieved from https://idiyas.com/inventor/koichi-tsuyama-5gbh7cix

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 = 5.9

ph-index = 2

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1982-1997

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2 patents (USPTO):Explore Patents

Title: Innovations of Koichi Tsuyama

Introduction

Koichi Tsuyama is a notable inventor based in Shimodate, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced coatings and printed circuit boards. With a total of two patents to his name, Tsuyama's work reflects a commitment to innovation and technological advancement.

Latest Patents

Tsuyama's latest patents include a process for producing multilayer printed circuit boards and a process for preparing chemically platable thermosetting powder coatings. The first patent focuses on enhancing electrical connection reliability and increasing circuit density through a unique method of drilling and laminating composite film materials. The second patent details a method for creating a chemically platable thermosetting powder coating, which ensures uniform dispersion of components and improved applicability on various articles.

Career Highlights

Koichi Tsuyama is currently employed at Hitachi Chemical Company, Ltd., where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of thermosetting coatings and printed circuit technologies.

Collaborations

Throughout his career, Tsuyama has collaborated with notable colleagues, including Akishi Nakaso and Kazuhisa Otsuka. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Koichi Tsuyama's contributions to the field of materials science through his patents and work at Hitachi Chemical Company, Ltd. highlight his role as a significant innovator in the industry. His advancements in printed circuit boards and powder coatings demonstrate the impact of his work on modern technology.

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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