Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915790 | Tunnel boring machine | Takashi Sakai, Sohta Takatsu, Yoshihito Minami, Tomio Jatani | 1999-06-29 |
| 5237384 | Laser positioner and marking method using the same | Nobuyuki Fukunaga, Mutsuhiko Kimura, Yasuo Metoki, Takeo Saito, Kenji Miyahara | 1993-08-17 |
| 5198868 | Laser surveying system having a function of marking reference points | Takeo Saito, Nobuyuki Fukunaga, Mutsuhiko Kimura, Yasuo Metoki, Kenji Miyahara | 1993-03-30 |
| 5090325 | Tunnel driving method | Takeo Saito, Nobuyuki Fukunaga, Mutsuhiko Kimura, Yasuo Metoki | 1992-02-25 |
| 4719582 | Method and apparatus for determining the chemical structure of an unknown substance | Keiji Saito, Tokio Oshima | 1988-01-12 |