Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825981 | Optical signal processor | Tomomi Sano, Makoto Katayama, Masakazu Shigehara | 2004-11-30 |
| 6823106 | Optical multiplexer/demultiplexer and adjustment method thereof | Hiroshi Suganuma, Tomomi Sano, Masakazu Shigehara | 2004-11-23 |
| 6823114 | Optical signal processing apparatus | Tomomi Sano, Hiroshi Suganuma, Tatsuhiko Tanaka | 2004-11-23 |
| 6810170 | Optical signal processor | Tomomi Sano, Hiroshi Suganuma | 2004-10-26 |
| 6785444 | Optical fiber grating device | Shinji Ishikawa, Masakazu Shigehara, Tadashi Enomoto | 2004-08-31 |