Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600857 | Grating optical fiber, and optical fiber base material suitable for grating | Jun Abe, Nobuyasu Mantoku, Kazuo Koya | 2003-07-29 |
| 6157758 | Grating optical fiber, and optical fiber base material suitable for grating | Jun Abe, Nobuyasu Mantoku, Kazuo Koya | 2000-12-05 |