Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810179 | Variable dispersion compensator | Takuya Ohira, Sadayuki Matsumoto, Kiichi Yoshiara, Junichiro Hoshizaki, Shigeru Matsuno +2 more | 2004-10-26 |
| 6807322 | PMD compensating apparatus for controlling polarization controller based on detection of magnitude of waveform distortion | Sadayuki Matsumoto, Kiichi Yoshiara, Takuya Ohira, Junichiro Hoshizaki, Shigeru Matsuno +2 more | 2004-10-19 |
| 6690860 | Method of manufacturing grating | Sadayuki Matsumoto, Takuya Ohira, Kiichi Yoshiara, Shigeru Matsuno, Hajime Takeya +1 more | 2004-02-10 |