Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819860 | Optical amplifying glass and optical waveguide | Hideaki Hayashi, Naoki Sugimoto, Katsuhiro Ochiai, Yasuji Fukasawa, Takeshi Hirose +1 more | 2004-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819860 | Optical amplifying glass and optical waveguide | Hideaki Hayashi, Naoki Sugimoto, Katsuhiro Ochiai, Yasuji Fukasawa, Takeshi Hirose +1 more | 2004-11-16 |