Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659063 | Piston for internal combustion engine | Akifumi Nomura | 2003-12-09 |
| 6640769 | Engine lubrication structure | Akifumi Nomura | 2003-11-04 |
| 6536400 | Lubricating structure for internal combustion engine | Nobuaki Inumaru | 2003-03-25 |