Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823947 | Walk-behind cultivator | Hideaki Kobayashi, Yoshitaka Ohta, Fumiyoshi Kanbara | 2004-11-30 |
| 6722445 | Working machine having front-rotary working unit | Yoshitaka Ohta, Hideaki Kobayashi | 2004-04-20 |