Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856264 | Hydraulic transmission apparatus | Hiroshige Makita, Tomoaki Ishikawa | 1989-08-15 |
| 4831891 | Power transmission device for a tractor | Yukio Kato, Yuji Kishizawa | 1989-05-23 |
| 4828087 | Inertia lock type synchronous clutch mechanism | Satoru Kudo | 1989-05-09 |