Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487303 | Object detector | Hiroyoshi Yamaguchi, Osamu Yoshimi, Seiichi Mizui | 2002-11-26 |
| 5929980 | Distance measuring apparatus and shape measuring apparatus | Hiroyoshi Yamaguchi, Tatsuya Ariga, Osamu Yoshimi | 1999-07-27 |
| 5330292 | System and method for transmitting and calculating data in shield machine | Shoichi Sakanishi, Tomoyuki Abe, Yasuhiko Ichimura, Yasuo Kanemitsu, Kanji Shibatani +2 more | 1994-07-19 |
| 5199818 | Method and apparatus for detecting collapse of natural ground in shield driving method | Masahiko Yamamoto, Kanji Shibatani, Hiroaki Yamaguchi, Yasuo Kanemitsu, Tomoyuki Abe +2 more | 1993-04-06 |
| 5174385 | Blade control system for bulldozer | Toyoichi Ono | 1992-12-29 |