Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620748 | Light-amplifying glass, light-amplifying medium and resin-coated light-amplifying medium | Naoki Sugimoto, Yutaka KUROIWA, Setsuro Ito, Teiichi Hanada | 2003-09-16 |
| 6599852 | Optical amplifying glass | Yuki Kondo, Setsuro Ito, Naoki Sugimoto, Tatsuo Nagashima | 2003-07-29 |
| 6599853 | Optical amplifier glass | Naoki Sugimoto, Setsuro Ito | 2003-07-29 |