Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779417 | Power transmission system | Isamu Sunaga | 2004-08-24 |
| 6776062 | Power transmission system | Isamu Sunaga | 2004-08-17 |
| 6736020 | Changing system in manual transmission | Shigeru Koyama, Toshiharu Kumagai | 2004-05-18 |