Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655307 | Laser gradient setting device | Hiroyuki Nishizawa | 1997-08-12 |
| 5612781 | Object reflector detection system | Fumio Ohtomo, Kunihiro Hayashi, Jun-ichi Kodaira, Hiroyuki Nishizawa, Ken-ichiro Yoshino +1 more | 1997-03-18 |
| 5606802 | Laser gradient setting device | — | 1997-03-04 |