Company Filing History:

12 out of 10,092

Honda Giken Kogyo Kabushiki Kaisha

patents

2 out of 21,831

Honda Motor Co., Ltd.

patents

1 out of 2

Honda Giken Kogyo Kaisha

where one patent can have more than one assignee

Years Active: 1991-2010

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7832529 - Friction member for frictional engagement device and method for producing the same (2010-11-16),

2. 6910453 - Automotive internal combustion engine control system (2005-06-28),

3. 6852063 - Automotive internal combustion engine control system (2005-02-08),

4. 6733412 - Automotive automatic transmission (2004-05-11),

5. 5941534 - Hydraulic seal system (1999-08-24),

6. 5928098 - Continuously variable transmission for vehicles (1999-07-27),

7. 5701976 - Hydraulic brake for transmission (1997-12-30),

8. 5660398 - Hydraulic sealing device (1997-08-26),

9. 5447048 - Clutch drum and apparatus for manufacturing same (1995-09-05),

10. 5388474 - Clutch drum and apparatus for manufacturing same (1995-02-14),

11. 5342257 - Planetary gear transmission (1994-08-30),

12. 5277673 - Clutch-separable planetary gear transmission (1994-01-11),

13. 5257675 - Juxtaposed motor vehicle engine and transmission power transmitting (1993-11-02),

14. 5222923 - Planetary gear transmission (1993-06-29),

15. 5071398 - Integral-type planetary gear transmission separable by clutch (1991-12-10),

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.

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