Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463596 | Knock sensor for combustion engines | — | 1984-08-07 |
| 4328774 | Device for controlling negative pressure in suction pipe of internal combustion engine | Tomo Ito, Chiaki Niida | 1982-05-11 |