Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153613 | Process for the fabrication of a phase mask for optical fiber processing, optical fiber-processing phase mask, optical fiber with a Bragg grating, and dispersion compensating device using the optical fiber | Masaaki Kurihara, Shigekazu Fujimoto, Tetsuro Inui | 2006-12-26 |
| 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 Inui | 2005-04-05 |
| 6795614 | Method of making phase mask for machining optical fiber and optical fiber having bragg diffraction grating produced using the phase mask for machining optical fiber | Toshikazu Segawa, Masaaki Kurihara, Masataka Nakazawa | 2004-09-21 |
| 6631145 | Wavelength-tunable mode-locked laser, wavelength converter and transmission system | Kohichi Tamura, Masataka Nakazawa | 2003-10-07 |
| 6466714 | Method of producing phase mask for fabricating optical fiber and optical fiber with bragg's diffraction grating produced by using the phase mask | Masaaki Kurihara, Toshikazu Segawa, Masataka Nakazawa | 2002-10-15 |