Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377294 | Optical functioning glass and apparatus using the same | Masahi Onishi, Koji Nakazato, Hiroo Kanamori, Minoru Watanabe | 1994-12-27 |
| 5337401 | Optical functioning glass and method of manufacturing same, optical fiber, waveguide device, and laser device | Masashi Onishi, Koji Nakazato, Yoshiki Chigusa, Minoru Watanabe | 1994-08-09 |