Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825981 | Optical signal processor | Michiko Takushima, Tomomi Sano, Masakazu Shigehara | 2004-11-30 |
| 6801683 | Optical module, light divider/insertor and light transmission device | Tomohiko Kanie, Hiroshi Suganuma, Masayuki Nishimura | 2004-10-05 |
| 6782155 | Optical switch | Manabu Shiozaki, Masayuki Nishimura, Tomohiko Kanie | 2004-08-24 |
| 6782185 | Optical variable attenuator and optical module | Tomohiko Kanie, Hiroshi Suganuma, Masayuki Nishimura | 2004-08-24 |