Yokohama, Japan

Yoshiyasu Tanaka

This inventor holds 2 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1988-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyasu Tanaka. Retrieved from https://idiyas.com/inventor/yoshiyasu-tanaka-60edkatw

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 = 3.4

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1988-1990

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshiyasu Tanaka

Introduction

Yoshiyasu Tanaka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technology, holding a total of 2 patents. His work focuses on enhancing optical communication systems through innovative designs.

Latest Patents

Tanaka's latest patents include an optical cable coupling adapter and an optical switch. The optical cable coupling adapter features two end portions and a split sleeve. Each end portion holds a plurality of cylindrical rods that define passages for an optical fiber. The split sleeve ensures center alignment of the fiber passages in the two end portions. The optical switch is designed for opening and shutting a light path. It comprises a housing, a shutter for controlling light transmission, and a drive mechanism for displacing the shutter. This switch includes connector sockets and optical fibers that are strategically positioned to facilitate effective light path management.

Career Highlights

Yoshiyasu Tanaka is currently employed at E.I. DuPont de Nemours and Company, where he continues to innovate in the field of optical technologies. His work has contributed to advancements in optical communication systems, making them more efficient and reliable.

Collaborations

Tanaka has collaborated with notable coworkers, including Mituyosi Suzuki and Sadakazu Ariga. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yoshiyasu Tanaka's contributions to optical technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in optical communication systems, showcasing the importance of innovation in technology.

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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