Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237384 | Laser positioner and marking method using the same | Nobuyuki Fukunaga, Yasuo Metoki, Takeo Saito, Yoshiaki Ishida, Kenji Miyahara | 1993-08-17 |
| 5198868 | Laser surveying system having a function of marking reference points | Takeo Saito, Yoshiaki Ishida, Nobuyuki Fukunaga, Yasuo Metoki, Kenji Miyahara | 1993-03-30 |
| 5090325 | Tunnel driving method | Takeo Saito, Yoshiaki Ishida, Nobuyuki Fukunaga, Yasuo Metoki | 1992-02-25 |