Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483179 | Method of and device for detection of knocking for internal combustion engine | Yujiro Oshima, Kiyokazu Asai | 1984-11-20 |
| 4408479 | Knocking detecting device for internal combustion engines | Kiyokazu Asai, Yujiro Oshima, Akihiro Takeuchi | 1983-10-11 |