Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701320 | Apparatus and method of stabilizing oscillation frequency for single axial mode frequency tunable laser oscillator and apparatus and method of frequency sweepable laser oscillation | Tsuyoshi Nakayama, Masaaki Kato, Yoichiro Maruyama, Takashi Arisawa | 1997-12-23 |
| 5680117 | Collision judging system for vehicle | Toshiaki Arai, Yasuhiko Fujita | 1997-10-21 |