Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467443 | Valve operating device of internal combustion engine | Nobutaka Hayashi | 2002-10-22 |
| 6397806 | Engine valve assembly for internal combustion engine | Hiroaki Imai, Hirokazau Uehara | 2002-06-04 |