Tokyo, Japan

Masahiro Yamana

This inventor holds 4 USPTO granted patents. Top assignees: Oji Paper Co., Ltd., Agency of Industrial Science and Technology. Active years: 1988-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Yamana. Retrieved from https://idiyas.com/inventor/masahiro-yamana

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1988-1993

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4 patents (USPTO):Explore Patents

Title: Masahiro Yamana: Innovator in Electrophotographic Technology

Introduction

Masahiro Yamana is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 4 patents. His work focuses on enhancing the performance and sensitivity of lithographic printing materials.

Latest Patents

Yamana's latest patents include an electrophotographic lithograph printing plate material that boasts enhanced sensitivity to laser rays. This innovative material features an electroconductive, water-resistant substrate combined with an electrophotographic layer. The layer consists of photoconductive zinc oxide, a resinous binder, and a sensitizing dye material. The dye material includes compounds that improve the material's performance, ensuring excellent heat resistance and low dark decay. Another notable patent involves a lithograph printing plate material that enhances spectral sensitivity to semiconductor laser rays, utilizing a unique combination of low and high adsorption sensitizing dyes.

Career Highlights

Throughout his career, Masahiro Yamana has worked with notable organizations, including Oji Paper Co., Ltd. and the Agency of Industrial Science and Technology. His experience in these companies has allowed him to develop and refine his innovative technologies in electrophotography.

Collaborations

Yamana has collaborated with esteemed colleagues such as Koji Sato and Kunihiro Ichimura. Their combined expertise has contributed to the advancement of electrophotographic materials and technologies.

Conclusion

Masahiro Yamana's contributions to electrophotographic technology have established him as a key figure in the field. His innovative patents and collaborations continue to influence advancements in printing technologies.

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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