Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678402 | Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto | Hiroshi Kitagawa, Seiji Hatcho, Tetsuya Kaneko, Akira Kato, Toshiaki Hirota +1 more | 1997-10-21 |
| 5661972 | Air-fuel ratio control system for internal combustion engines | Akira Katoh, Hiroshi Kitagawa | 1997-09-02 |
| 5637052 | Control system for motor vehicles equipped with a torque converter and a lock-up clutch | Toshiaki Hirota, Hisashi Igarashi, Yoshiharu Saito, Akira Kato, Toru Kitamura | 1997-06-10 |
| 5638353 | Optical head device | — | 1997-06-10 |
| 5612942 | Optical head | — | 1997-03-18 |
| 5608714 | Structure for supporting disc stockers in a disc changer with a manually operable release lever | Katsuhiro Shiba, Minoru Goto, Takao Yamada, Norihisa Kato, Kenji Okuda +1 more | 1997-03-04 |