Ichihara, Japan

Masaru Yamauchi

This inventor holds 10 USPTO granted patents and 4 published patent applications and 3 EPO patents. Top assignees: Asahi Glass Company, Limited, Asics Corporation, Maruishi Sanyo Co., Ltd. Active years: 1987-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Yamauchi. Retrieved from https://idiyas.com/inventor/masaru-yamauchi

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

USPTO Granted Patents = 10 

% Patents Active = 70.0

 

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 55(Granted Patents)


Location History:

  • Yokosuka, JP (1987)
  • Yokohama, JP (1992)
  • Kanagawa, JP (1996)
  • Chiba, JP (2006)
  • Ichihara, JP (2006 - 2008)
  • Chiyoda-ku, JP (2010)
  • Tokyo, JP (2016)

Company Filing History:


Years Active: 1987-2016

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10 patents (USPTO):Explore Patents

Title: Masaru Yamauchi: Innovator in Polishing Technology

Introduction

Masaru Yamauchi is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of polishing technology, holding a total of 10 patents. His work focuses on improving the efficiency and effectiveness of materials used in various industrial applications.

Latest Patents

Yamauchi's latest patents include innovations such as a polishing pad and a release film designed for hot press applications. The release film is engineered to minimize the frequency of changes required during the hot pressing process. It features a layer containing silicon on one side of a substrate made from fluororesin. This design allows for enhanced productivity and reduced costs in the production of printed boards. The releasable cushion material he developed also aims to decrease the need for frequent replacements, thereby streamlining manufacturing processes.

Career Highlights

Throughout his career, Masaru Yamauchi has worked with prominent companies, including Asahi Glass Company, Limited and Maruishi Sanyo Co., Ltd. His experience in these organizations has allowed him to refine his expertise in material science and engineering.

Collaborations

Yamauchi has collaborated with several talented individuals in his field, including Masao Unoki and Akihiko Asakawa. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Masaru Yamauchi's contributions to polishing technology and material science have established him as a key figure in his industry. His innovative patents continue to influence manufacturing processes and improve product quality.

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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