Toshiya Kosumi is a prominent inventor based in Kadoma, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of multi-plate clutches. With a total of 11 patents to his name, Kosumi's work has had a lasting impact on the industry.

Latest Patents

One of Kosumi's latest patents is for a multi-plate dry clutch that features hub movement limiting means. In this invention, drive plates and driven plates are interposed between a flywheel and a clutch pressure assembly. The driven plates have contact portions that extend radially inward and are designed to be contactable at both ends in the axial direction. In an alternate embodiment, a single driven plate is utilized, with a plate member fixed to a hub flange to limit axial movement. Additionally, the design includes a cushion ring disposed between the pressure plate and a diaphragm spring, which has slits to improve airflow for cooling. This innovative approach enhances the performance and reliability of multi-plate clutches.

Career Highlights

Kosumi is currently employed at Exedy Corporation, a leading company in the automotive parts industry. His work at Exedy has allowed him to focus on advancing clutch technology, contributing to the company's reputation for quality and innovation.

Collaborations

Throughout his career, Kosumi has collaborated with notable colleagues, including Masaaki Asada and Yoshinobu Fukuda. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Toshiya Kosumi's contributions to multi-plate clutch technology exemplify his innovative spirit and dedication to engineering excellence. His patents continue to influence the automotive industry, showcasing the importance of invention in driving progress.

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