Gifu, Japan

Yoshichi Kawashima

This inventor holds 3 USPTO granted patents. Top assignee: Nippondenso Co., Ltd.. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshichi Kawashima. Retrieved from https://idiyas.com/inventor/yoshichi-kawashima

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 = 2.3

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Gifu, JA (1976)
  • Gifu, JP (1979 - 1980)

Company Filing History:


Years Active: 1976-1980

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3 patents (USPTO):Explore Patents

Title: Innovations by Yoshichi Kawashima

Introduction

Yoshichi Kawashima is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of vehicle directional lamp control systems. With a total of 3 patents to his name, his work has enhanced the functionality and safety of vehicle lighting systems.

Latest Patents

Kawashima's latest patents include a "Control apparatus for vehicle directional lamps" and a "Method and apparatus for controlling vehicle directional lamps." The control apparatus is designed for use in the direction indicating system of a vehicle, featuring a capacitor that alternates between charging and discharging. This system allows the directional lamps to flash periodically, with the flashing frequency increasing upon disconnection of the lamps. The method and apparatus improve the energization of the directional lamps through a relay and a selection switch, ensuring that the lamps flash in a coordinated manner.

Career Highlights

Kawashima is currently employed at Nippondenso Co., Ltd., a company known for its innovations in automotive technology. His work has been instrumental in developing advanced systems that improve vehicle safety and efficiency.

Collaborations

Throughout his career, Kawashima has collaborated with talented individuals such as Tiaki Mizuno and Hiroiku Masuda. These partnerships have contributed to the successful development of his innovative technologies.

Conclusion

Yoshichi Kawashima's contributions to vehicle directional lamp technology demonstrate his commitment to innovation and safety in the automotive industry. His patents reflect a deep understanding of electrical systems and their application in real-world scenarios.

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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