Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10459448 | Driving assistance apparatus | — | 2019-10-29 |
| 7740103 | Electric power steering apparatus | — | 2010-06-22 |
| 5166877 | Method of speed reduction ratio control in continuously variable speed transmission | Yoshikazu Ishikawa | 1992-11-24 |
| 5014574 | Speed control apparatus for a continuously variable speed | Kazuya Maki, Kouji Yamaguchi | 1991-05-14 |
| 5001900 | Method of controlling speed reduction ratio for continuously variable speed transmission | Hideo Koyama | 1991-03-26 |
| 5002028 | Throttle control system for vehicular internal combustion engine | Yasuhisa Arai, Norio Suzuki, Ichiro Sakai, Shusuke Akazaki, Yuji Kawaguchi | 1991-03-26 |
| 4976169 | Method of controlling speed reduction ratio for a continuously variable transmissions | Yoshikazu Ishikawa | 1990-12-11 |
| 4967610 | Method of controlling speed reduction ratio for continuously variable speed transmission | Kouji Yamaguchi | 1990-11-06 |
| 4962679 | Method of controlling speed reduction ratio for a continuously variable speed transmission | Yoshikazu Ishikawa, Kouji Yamaguchi | 1990-10-16 |
| 4958492 | Method of controlling clutch operation for a vehicle and method of determining clutch engagement completion | Kazuya Maki, Yoshikazu Ishikawa, Kouji Yamaguchi | 1990-09-25 |
| 4956972 | Method of controlling speed reduction ratio for a continuously variable speed transmission | Kouji Yamaguchi | 1990-09-18 |
| 4951468 | Method of determining duty ratio used for operational control of a solenoid | Yoshikazu Ishikawa | 1990-08-28 |
| 4941371 | Hydraulic continuously variable speed transmission with direct clutch valve | Hideo Koyama, Kazuya Maki, Kouji Yamaguchi, Yoshikazu Ishikawa | 1990-07-17 |
| 4932208 | Hydraulic continuously variable speed transmission with direct clutch valve | Hideo Koyama, Kouji Yamaguchi, Yoshikazu Ishikawa | 1990-06-12 |
| 4913005 | Method of controlling speed reduction ratio for a continuously variable speed transmission | Yoshikazu Ishikawa, Kouji Yamaguchi | 1990-04-03 |