Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337401 | Optical functioning glass and method of manufacturing same, optical fiber, waveguide device, and laser device | Koji Nakazato, Yoshiki Chigusa, Minoru Watanabe, Yoshiaki Miyajima | 1994-08-09 |