Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480778 | Device for changing the speeds of the front and rear wheels in a four-wheel-drive vehicle | Hirohisa Tanaka | 2002-11-12 |
| 6460669 | Power driving device | Eiji Inoue, Atsushi Yanazaki, Takefumi Okamoto | 2002-10-08 |
| 6438480 | Device for changing the speeds of the front and rear wheels in a four-wheel-drive vehicle | Hirohisa Tanaka | 2002-08-20 |