Aizuwakamatsu, Japan

Yoshihiro Onuma

This inventor holds 2 USPTO granted patents. Top assignee: The Furukawa Electric Co., Ltd.. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Onuma. Retrieved from https://idiyas.com/inventor/yoshihiro-onuma

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 = 4.4

ph-index = 2

Forward Citations = 57(Granted Patents)


Location History:

  • Hitatsuka, JP (1989)
  • Aizuwakamatsu, JP (1990)

Company Filing History:


Years Active: 1989-1990

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshihiro Onuma

Introduction

Yoshihiro Onuma is a notable inventor based in Aizuwakamatsu, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of printed circuit sheets and optical devices. With a total of 2 patents, Onuma's work showcases his innovative approach to technology.

Latest Patents

Onuma's latest patents include a method of manufacturing a two-layer printed circuit sheet. This innovative process involves preparing an insulating sheet with through holes for electrical connections. A first-layer circuit pattern is printed, followed by filling conductive paste into the holes. After removing the hole-bottom sheet, a second-layer circuit pattern is printed, resulting in a fully functional two-layer printed circuit sheet. Another significant patent is for an optical switch and optical keyboard. This invention features a pair of optical fibers with a stopper in a housing, allowing for the conduction or interruption of an optical path, enhancing the functionality of optical devices.

Career Highlights

Yoshihiro Onuma is currently employed at Furukawa Electric Co., Ltd., a company known for its advancements in electrical and electronic products. His work at this esteemed organization has allowed him to further develop his innovative ideas and contribute to the industry.

Collaborations

Onuma has collaborated with notable colleagues such as Yuichi Obara and Kenzo Kobayashi. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Yoshihiro Onuma's contributions to the field of electrical engineering through his patents and collaborations highlight his innovative spirit. His work continues to influence the development of advanced technologies in Japan and beyond.

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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