Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5887365 | Front control system for construction machine and oil temperature indicator | Hiroshi Watanabe, Masakazu Haga, Takashi Nakagawa | 1999-03-30 |
| 5835874 | Region limiting excavation control system for construction machine | Toichi Hirata, Eiji Yamagata, Hiroshi Watanabe, Masakazu Haga, Hiroyuki Adachi | 1998-11-10 |
| 5822891 | Work area limitation control system for construction machine | Hiroshi Watanabe, Masakazu Haga | 1998-10-20 |
| 5752333 | Area limiting excavation control system for construction machines | Takashi Nakagawa, Hiroshi Watanabe, Masakazu Haga, Eiji Egawa | 1998-05-19 |
| 5735065 | Area limiting excavation control system for construction machine | Eiji Yamagata, Hiroyuki Adachi, Hiroshi Watanabe, Masakazu Haga | 1998-04-07 |
| 5701691 | Region limiting excavation control system for construction machine | Hiroshi Watanabe, Toichi Hirata, Masakazu Haga, Eiji Yamagata, Hiroyuki Adachi | 1997-12-30 |
| 5211059 | Acoustic microscope system | Yasuo Hayakawa, Sakae Takeda, Tosio Nonaka, Katsumi Miyaki, Hiroshi Yamamoto | 1993-05-18 |