Kokubunji, Japan

Ryoji Yamaguchi

This inventor holds 5 USPTO granted patents. Top assignee: Iwatsu Electric Company Ltd.. Active years: 1982-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Yamaguchi. Retrieved from https://idiyas.com/inventor/ryoji-yamaguchi-pswplnar

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 = 2.5

ph-index = 5

Forward Citations = 51(Granted Patents)


Company Filing History:


Years Active: 1982-1990

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5 patents (USPTO):Explore Patents

Title: Ryoji Yamaguchi: Innovator in Telecommunications

Introduction

Ryoji Yamaguchi is a prominent inventor based in Kokubunji, Japan. He has made significant contributions to the field of telecommunications, holding a total of five patents. His work has been instrumental in advancing technology in this sector.

Latest Patents

One of Ryoji Yamaguchi's latest patents is a telephone unit, which showcases his innovative approach to improving communication devices. This patent reflects his commitment to enhancing user experience and functionality in telecommunications.

Career Highlights

Ryoji Yamaguchi is currently employed at Iwatsu Electric Company Ltd., where he continues to develop cutting-edge technologies. His career has been marked by a dedication to innovation and excellence in the telecommunications industry.

Collaborations

Throughout his career, Ryoji has collaborated with talented individuals such as Takashi Oshima and Masayuki Ikeda. These partnerships have contributed to the successful development of various projects and patents.

Conclusion

Ryoji Yamaguchi is a notable figure in the telecommunications field, recognized for his inventive spirit and contributions to technology. His work continues to influence the industry and inspire future innovations.

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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