Shizuoka, Japan

Jyun Tokumasu

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha F. C. C.. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jyun Tokumasu. Retrieved from https://idiyas.com/inventor/jyun-tokumasu

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 = 4.0

ph-index = 1

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: **Jyun Tokumasu: Innovating Wet Clutch Technology**

Introduction

Jyun Tokumasu is a notable inventor based in Shizuoka, Japan, recognized for his innovative contributions to automotive technology. With a focus on enhancing performance and efficiency, he has developed groundbreaking inventions that address critical aspects of mechanical systems.

Latest Patents

Tokumasu holds a patent for a friction plate designed specifically for wet clutches. This invention features a core plate with friction members bonded to both sides. The unique design includes a multitude of first oil grooves, which facilitate communication between the inner and outer circumferential edges of the friction member. Furthermore, a series of second oil grooves are strategically arranged to optimize the cooling properties and reduce dragging torque, thereby improving the overall efficiency of wet clutch systems.

Career Highlights

Currently, Jyun Tokumasu is associated with Kabushiki Kaisha F. C. C., where he continues to contribute to advancements in clutch technology. His patent showcases his profound understanding of engineering principles and highlights his commitment to innovation in the automotive sector.

Collaborations

Throughout his career, Tokumasu has collaborated with esteemed colleagues, including Yukio Nishide and Mitsuo Miyatsu. Together, they have worked on various projects that aim to refine and enhance automotive technologies, further exemplifying the collaborative environment that fosters innovation within their field.

Conclusion

Jyun Tokumasu's contributions to the field of automotive technology, particularly with his patented friction plate for wet clutches, demonstrate his ingenuity as an inventor. As the automotive industry continues to evolve, his innovations pave the way for improved performance and efficiency, establishing him as a significant figure in the realm of engineers and inventors.

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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