Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399796 | Intake heating device of an internal combustion engine | Keigo Kato, Yosio Kuroiwa | 1983-08-23 |
| 4398522 | Intake heating device of an internal combustion engine | Yosio Kuroiwa, Keigo Kato | 1983-08-16 |
| 4381698 | Changeover valve unit for power-assisted steering systems | Akira Hasegawa, Yoshimi Sato, Nobuo Hiraiwa | 1983-05-03 |
| 4279323 | Power steering device for wheeled vehicles | Keigo Kato, Tomozi Ishikawa | 1981-07-21 |
| 4188785 | Fluid coupling | Keigo Kato, Masami Yamazaki, Tetsuro Akagi | 1980-02-19 |