Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D287499 | Body of excavator | Kazuo Kurihara | 1986-12-30 |
| D274621 | Bulldozer | Heiji Yoshizawa, Yoshito Sato, Kazukiyo Chiba, Tomoyuki Takahashi, Yoshimasa Oobora | 1984-07-10 |
| 4216942 | Double-drum winch | Akihiro Toyomura, Masami Hashimoto | 1980-08-12 |