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