This inventor holds 15 USPTO granted patents, primarily in Automotive Transmission Systems. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd., Across Co., Ltd.. Active years: 1991-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawaguchi, JP (1991 - 1993)
- Wako, JP (1995)
- Saitama, JP (1993 - 2010)
Company Filing History:
12 out of 10,092 
2 out of 22,925 
1 out of 8 Years Active: 1991-2010
Areas of Expertise:
Title: Yorinori Kumagai: Innovator in Frictional Engagement Devices
Introduction
Yorinori Kumagai is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of frictional engagement devices, holding a total of 15 patents. His innovative work focuses on enhancing the performance and efficiency of automotive systems.
Latest Patents
Kumagai's latest patents include a friction member for frictional engagement devices and a method for producing the same. This friction member is designed to reduce weight, enhance impact resistance, and improve sliding resistance. It is made from a carbon fiber/carbonaceous composite material, which undergoes heat treatment to achieve optimal properties. The porosity of the friction member is maintained between 20-60%. Another notable patent involves an automotive internal combustion engine control system. This system utilizes a starting motor to drive an input/output pulley through a belt, allowing for efficient operation of auxiliary machinery while the engine is in both operational and standstill modes.
Career Highlights
Throughout his career, Yorinori Kumagai has worked with notable companies such as Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in automotive technology.
Collaborations
Kumagai has collaborated with esteemed colleagues, including Yoichi Kojima and Takashi Hotta. Their combined expertise has contributed to the advancement of various projects and patents in the automotive sector.
Conclusion
Yorinori Kumagai's contributions to the field of frictional engagement devices and automotive systems highlight his innovative spirit and dedication to improving technology. His patents reflect a commitment to enhancing performance and efficiency in the automotive industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile