KS

Koji Sumiya

AI Aisin-Warner: 25 patents #4 of 98Top 5%
TO Toyota: 17 patents #1,469 of 26,838Top 6%
AC Aisin Aw Co.: 9 patents #199 of 2,011Top 10%
KS Kabushiki Kaisha Shinsangyokaihatsu: 7 patents #5 of 34Top 15%
Aisin Seiki Kabushiki Kaisha: 5 patents #693 of 3,782Top 20%
JS Jsr: 2 patents #443 of 1,137Top 40%
KR Kabushikikaisha Equos Research: 2 patents #39 of 103Top 40%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
NK Nippon Acchakutanshi Seizo Kabushiki Kaisha: 1 patents #7 of 15Top 50%
Overall (All Time): #75,822 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
4727774 Cut-back pressure control device for multi-speed automatic transmission Yoshikazu Sakaguchi, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo 1988-03-01
4724745 Hydraulic servo drum for friction clutch Takenori Kano, Yutaka Taga, Kazuaki Watanabe 1988-02-16
4722251 Hydraulic circuit for controlling an automatic transmission Yoshikazu Sakaguchi, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo 1988-02-02
4722250 Accumulator back pressure control apparatus for automatic transmission Yoshikazu Sakaguchi, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo 1988-02-02
4714146 Friction coupling element of automatic transmission Shuzo Moroto, Kazuaki Watanabe, Seitoku Kubo, Koji Kobayashi, Yutaka Taga 1987-12-22
4712635 Control apparatus for four-wheel drive vehicle Shuzo Moroto 1987-12-15
4697474 Lock-up clutch control device for a multi-speed automatic transmission Yoshikazu Sakaguchi, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo 1987-10-06
4693353 Support for transmission shaft and hydraulic servo drum Koji Kobayashi, Yutaka Taga, Kazuaki Watanabe 1987-09-15
4690037 Hydraulic servo for friction coupling element of automatic transmission Kazuaki Watanabe, Seitoku Kubo 1987-09-01
4682534 Hydraulic servo for friction coupling element of automatic transmission Takenori Kano, Seitoku Kubo, Kazuaki Watanabe 1987-07-28
4633739 System for controlling automatic transmission having communication control valve means Tsunehiko Ogasawara, Yoshichika Arakawa, Yoshikazu Sakaguchi 1987-01-06
4618038 Control apparatus of an automatic transmission with a lock-up clutch Tsunehiko Ogasawara, Yoshichika Arakawa, Yoshikazu Sakaguchi 1986-10-21
4616531 Hydraulic and electronic control system for an automatic transmission Tsunehiko Ogasawara, Yoshichika Arakawa, Yoshikazu Sakaguchi 1986-10-14
4509391 Hydraulic pressure regulating system for a vehicle automatic transmission Kojiro Kuramochi 1985-04-09
4476887 Hydraulic governor pressure generator 1984-10-16
4462279 1-2 Shift valve for an automatic transmission 1984-07-31