Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899371 | Bulldozer | Akira Uno | 2014-12-02 |
| 6481506 | Dual tilt control system for work vehicle | Toshikazu Okada | 2002-11-19 |
| 6474426 | Steering method and steering system for tracklaying vehicle | Shigeru Yamamoto, Toshikazu Okada, Hisao Asada, Tomohiro Nakagawa | 2002-11-05 |
| 6349882 | Controlling device for hydraulically operated cooling fan | Toshikazu Okada, Atsushi Uemura, Shigeru Yamamoto, Tomohiro Nakagawa | 2002-02-26 |