Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600857 | Grating optical fiber, and optical fiber base material suitable for grating | Masayasu Nagaoka, Nobuyasu Mantoku, Kazuo Koya | 2003-07-29 |
| 6564585 | Method for producing a second-order nonlinear glass material | Seiki Ejima, Akira Ikushima, Takumi Fujiwara | 2003-05-20 |