Musashino, Japan

Fumio Nakama

This inventor holds 1 USPTO granted patent. Top assignees: Fuji Electric Co., Ltd., Japanese National Railways. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Nakama. Retrieved from https://idiyas.com/inventor/fumio-nakama

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Fumio Nakama: Innovator in Electric Vehicle Technology

Introduction

Fumio Nakama is a notable inventor based in Musashino, Japan. He has made significant contributions to the field of electric vehicle technology, particularly in the area of current collector systems. His innovative approach has led to advancements that enhance the efficiency and reliability of externally powered electric vehicles.

Latest Patents

Nakama holds a patent for a "Current collector shoe suspension for externally powered electric vehicle." This invention involves a current collector shoe suspension designed for sliding contact with an electric power line. The system features resiliently biased current collecting shoes that maintain contact with a power rail through interconnected vibration-absorbing units. Each unit can vibrate independently, allowing for a wide range of vibration frequencies and amplitudes, ensuring consistent performance.

Career Highlights

Throughout his career, Fumio Nakama has worked with prominent organizations, including Japanese National Railways and Fuji Electric Co., Ltd. His experience in these companies has provided him with a solid foundation in electrical engineering and vehicle technology. His work has been instrumental in developing systems that improve the functionality of electric vehicles.

Collaborations

Nakama has collaborated with notable colleagues such as Kunio Shibayama and Katsushi Manabe. These partnerships have fostered an environment of innovation and creativity, leading to advancements in electric vehicle technology.

Conclusion

Fumio Nakama's contributions to electric vehicle technology through his patent and career achievements highlight his role as an influential inventor. His work continues to impact the industry positively, paving the way for future innovations in electric transportation.

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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