Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876921 | Differential gear unit with limited slip mechanism | Yasuyoshi Yasui | 1989-10-31 |
| 4819512 | Differential gear for a two wheel or four wheel drive vehicle | Hitoshi Mizutani | 1989-04-11 |
| 4813297 | Differential gear | Kentaro Tomo | 1989-03-21 |