Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958467 | Chirp measurement apparatus | Kunihiko Mori, Kohichi Tamura | 2005-10-25 |
| 6876792 | Phase mask for forming diffraction grating, and optical fiber and optical waveguide having diffraction grating duplicated using the phase mask | Masaaki Kurihara, Shigekazu Fujimoto, Tetsuro Komukai | 2005-04-05 |