Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357341 | Piston of internal combustion engine | Hiroaki Watanabe | 2002-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357341 | Piston of internal combustion engine | Hiroaki Watanabe | 2002-03-19 |