Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430490 | Hydraulic circuit control device of construction machinery | Hiroshi Watanabe, Shuji Ohira, Kazuo Fujishima, Masakazu Haga, Sadahisa Tomita | 2002-08-06 |
| 6336067 | Electronic control system and control device for construction machine | Hiroshi Watanabe | 2002-01-01 |