Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922925 | Construction machine | Osamu Watanabe, Takaharu Nishimura, Kazuyoshi Yamada, Makoto Sugaya, Makoto Motozu +2 more | 2005-08-02 |
| 6116872 | Ripple reducing device | Eiichi Kojima | 2000-09-12 |