Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679111 | Malfunction diagnostic apparatus for evaporated fuel purge system | Tetsushi Hosokai, Yoshimi Yamamoto, Seiji Makimoto | 2004-01-20 |
| 6357288 | Failure diagnosis system for evaporation control system | Katsuhiko Sakamoto, Yuji Ota, Tetsushi Hosokai | 2002-03-19 |
| 6035835 | Valve operation verification system for verifying valve operation of valve disposed in hot gas flow passage | Tetsushi Hosokai, Tamotsu Kamakura, Katsuhiko Sakamoto, Futoshi Nishioka, Masanobu Kotoku +1 more | 2000-03-14 |
| 5996400 | Diagnostic system for detecting leakage of fuel vapor from purge system | Futoshi Nishioka, Katsuhiko Sakamoto, Tetsushi Hosokai, Susumu Takano | 1999-12-07 |