Iwashima; Toru
Patent Applications and Registrations
Patent applications and USPTO patent grants for Iwashima; Toru.The latest application filed is for "diffraction grating device making method and apparatus".
- Iwashima; Toru - Yokohama JP
- Iwashima, Toru - Yokohama-shi JP
| Patent | Date |
|---|---|
| Variable dispersion compensator and optical transmission system Grant 6,892,003 - Katayama , et al. May 10, 2 | 2005-05-10 |
| Diffraction grating device Grant 6,876,791 - Murashima , et al. April 5, 2 | 2005-04-05 |
| Diffraction grating device making method and apparatus App 20040161196 - Murashima, Kiyotaka ; et al. | 2004-08-19 |
| Diffraction grating device App 20030044117 - Murashima, Kiyotaka ; et al. | 2003-03-06 |
| Variable dispersion compensator and optical transmission system App 20020159701 - Katayama, Makoto ; et al. | 2002-10-31 |
| Method for determining an aging condition for an optical waveguide grating and temperature sensor App 20020009281 - Ishikawa, Shinji ; et al. | 2002-01-24 |
| Diffraction grating device App 20010048789 - Shiozaki, Manabu ; et al. | 2001-12-06 |
| Optical waveguide devices and methods of fabricating the same App 20010041039 - Hattori, Tetsuya ; et al. | 2001-11-15 |
| Optical fiber diffraction grating, a method of fabricating thereof and a laser light source Grant 6,067,392 - Wakami , et al. May 23, 2 | 2000-05-23 |
| Optical connector Grant 5,859,944 - Inoue , et al. January 12, 1 | 1999-01-12 |
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