KS

Kenji Shirai

TO Toyota: 22 patents #976 of 26,838Top 4%
Aisin Seiki Kabushiki Kaisha: 6 patents #584 of 3,782Top 20%
Dai Nippon Printing Co.: 4 patents #587 of 2,222Top 30%
IN Inax: 2 patents #29 of 242Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
MI Magna International: 1 patents #245 of 578Top 45%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
NU Nihon University: 1 patents #43 of 233Top 20%
AC Asmo Co.: 1 patents #369 of 745Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #79,921 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
5052182 Hydraulic brake booster system with check valve in brake fluid reservoir line Michiharu Nishii, Genji Mizuno, Yoshihiko Tada, Yoshihisa Nomura, Masahiko Kato +1 more 1991-10-01
5027599 Hydraulic braking system Michiharu Nishii, Genji Mizuno, Ysohihiko Tada, Yoshihisa Nomura, Masahiko Kato +1 more 1991-07-02
4986613 Hydraulic braking system for an automotive vehicle Michiharu Nishii, Genji Mizuno, Yoshihisa Nomura, Masahiko Kato, Junichi Tanoue 1991-01-22
4887869 Hydraulic braking system Michiharu Nishii, Genji Mizuno, Yoshihiko Tada, Yoshihisa Nomura, Masahiko Kato +1 more 1989-12-19
4876853 Tandem master cylinder with booster piston at pedal-remote end of master cylinder and with booster-pressure responsive reservoir valve for forward brake circuit Yoshihisa Nomura 1989-10-31
4848853 Hydraulic brake system Genji Mizuno, Michiharu Nishii, Yoshihiko Tada, Yoshihisa Nomura, Masahiko Kato +1 more 1989-07-18
4812777 Manually/electrically operated brake system 1989-03-14
4800724 Brake booster device providing pressure to both pressure chambers of tandem brake master cylinder device Makoto Asahara 1989-01-31
4773224 Portless type master cylinder device with non return valve and restricted passage in parallel between pressure chamber and fluid reservoir Shigeru Sakamoto, Haruo Sugimoto, Masaaki Okuyama 1988-09-27
4736768 Relief valve of hydraulic devices Kaoru Tsubouchi, Kaoru Nakamura, Chiaki Ochiai, Genji Mizuno, Shigeru Sakamoto 1988-04-12
4421362 Anti-skid brake control system for wheeled vehicles Fumio Nakagawa 1983-12-20
4333550 Brake shoe and support structure for a disc brake 1982-06-08
4314216 Mechanical filter Takashi Gounji, Yoshihiko Kasai 1982-02-02
4299311 Disc brake Minoru Takeuchi 1981-11-10
4289216 Disc brake Hidetoshi Shimizu, Junichi Tanoue 1981-09-15