Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697695 | Laser device management system | Takashi Kurihara | 2004-02-24 |
| 6522674 | Pulsed laser control system | Motoki Niwano, Takeshi Okamoto, Hideyuki Hayashi, Hiroshi Tanaka | 2003-02-18 |
| 6418155 | Laser device | Osamu Wakabayashi, Tatsuya Ariga, Toru Igarashi, Tomokazu Takahashi | 2002-07-09 |
| 5330292 | System and method for transmitting and calculating data in shield machine | Tetsuya Shinbo, Tomoyuki Abe, Yasuhiko Ichimura, Yasuo Kanemitsu, Kanji Shibatani +2 more | 1994-07-19 |
| 5208538 | Apparatus having a pair of magnetic field generating cables for measuring position of an underground excavator | Kanji Shibatani | 1993-05-04 |
| 5199818 | Method and apparatus for detecting collapse of natural ground in shield driving method | Masahiko Yamamoto, Kanji Shibatani, Hiroaki Yamaguchi, Yasuo Kanemitsu, Tetsuya Shinbo +2 more | 1993-04-06 |
| 5107938 | Apparatus for detecting position of underground excavator | Akira Okamoto, Norio Mitani, Yoshihisa Yamamoto | 1992-04-28 |
| 4818107 | System for measuring the position of a moving body | Toyoichi Ono, Yoshihisa Ono, Yasuhiko Ichimura | 1989-04-04 |