Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474188 | Transmission gear shift system | Shigeru Koyama | 2002-11-05 |
| 6439075 | Transmission gear shift system | Shigeru Koyama | 2002-08-27 |
| 6422107 | Transmission breather system | Teruhisa Kidokoro, Shigeru Koyama, Hiroyuki Makino | 2002-07-23 |