Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699248 | Running slip control system for a bulldozer | Hiroshi Nakagami, Shigeru Yamamoto | 1997-12-16 |
| 5694317 | Blade control system for a bulldozer | Hiroshi Nakagami, Shigeru Yamamoto | 1997-12-02 |
| 5621643 | Dozing system for bulldozers | Hiroshi Nakagami, Shigeru Yamamoto | 1997-04-15 |
| 5609547 | Engine overrun preventing system for a vehicle | Shigeru Yamamoto, Shu H. Zhang, Satoru Nishita, Kazushi Nakata | 1997-03-11 |