Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818308 | Glass substrate for display and method of selecting it | Jun-ichiro Kase, Yasumasa Nakao | 2004-11-16 |
| 6819860 | Optical amplifying glass and optical waveguide | Seiki Ohara, Hideaki Hayashi, Naoki Sugimoto, Katsuhiro Ochiai, Takeshi Hirose +1 more | 2004-11-16 |