Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080055 | Variable valve timing arrangement for internal combustion engine | Hiroshi Komatsu, Yutaka Matayoshi, Shigeru Kamegaya | 1992-01-14 |
| 5048474 | Valve train for automotive engine | Yutaka Matayoshi, Shigeru Kamegaya, Shigeru Sakuragi, Hiroshi Komatsu | 1991-09-17 |