Yokohama, Japan

Yasuhiro Yamaguchi

This inventor holds 8 USPTO granted patents. Top assignees: Hitachi, Ltd., Victor Company of Japan, Limited, Kabushiki Kaisha Toshiba. Active years: 1984-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Yamaguchi. Retrieved from https://idiyas.com/inventor/yasuhiro-yamaguchi-8f3hrred

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 = 3.7

ph-index = 7

Forward Citations = 1,159(Granted Patents)


Location History:

  • Yokosuka, JP (1991)
  • Chigasaki, JP (1988 - 1994)
  • Yokohama, JP (1984 - 2000)

Company Filing History:


Years Active: 1984-2000

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8 patents (USPTO):Explore Patents

Title: Yasuhiro Yamaguchi: Innovator in Optical Disc Technology and Semiconductor Devices

Introduction

Yasuhiro Yamaguchi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the fields of optical disc technology and semiconductor device interconnection. With a total of 8 patents to his name, Yamaguchi's work has had a lasting impact on technology.

Latest Patents

Yamaguchi's latest patents include an innovative optical disc apparatus designed for installing two types of optical discs. This apparatus features a first objective lens for CDs and a second objective lens for DVDs. The design allows for the first and second objective lenses to be mounted on a base that can move in a direction coaxially with the optical discs. Additionally, he has developed an insulating film forming method for semiconductor device interconnection. This method involves creating a void-free insulating film on a substrate using a mixed gas for both deposition and reactive etching, ensuring the integrity of the devices on the substrate.

Career Highlights

Throughout his career, Yasuhiro Yamaguchi has worked with notable companies such as Hitachi, Ltd. and Victor Company of Japan, Limited. His experience in these organizations has contributed to his expertise in developing advanced technologies.

Collaborations

Yamaguchi has collaborated with esteemed colleagues, including Toru Otsubo and Mitsuo Tokuda. Their combined efforts have furthered innovations in their respective fields.

Conclusion

Yasuhiro Yamaguchi's contributions to optical disc technology and semiconductor devices exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving device performance and functionality.

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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