Minamiashigara, Japan

Masaya Yamamoto

This inventor holds 1 USPTO granted patent. Top assignee: Fuji Photo Film Company, Limited. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaya Yamamoto. Retrieved from https://idiyas.com/inventor/masaya-yamamoto-pgwkc493

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 = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Masaya Yamamoto: Innovator in Electrophotography

Introduction

Masaya Yamamoto is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of electrophotography, particularly through his innovative patent. His work has implications for the development of liquid developers used in various imaging technologies.

Latest Patents

Masaya Yamamoto holds a patent for a liquid developer for electrophotography. This liquid developer comprises toner particles, a regulating agent made from a copolymer of a half-alkylamide of maleic acid and α-diisobutylene, along with an electric insulating carrier liquid. Additionally, it may include an organic acid to enhance its performance.

Career Highlights

Yamamoto is associated with Fuji Photo Film Company, Limited, where he has contributed to advancements in imaging technology. His expertise in developing liquid developers has positioned him as a key figure in the field.

Collaborations

He has worked alongside notable colleagues such as Tasuo Tamai and Sadao Osawa, contributing to a collaborative environment that fosters innovation.

Conclusion

Masaya Yamamoto's work in electrophotography exemplifies the impact of innovative thinking in technology. His patent for a liquid developer showcases his commitment to advancing imaging solutions.

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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