Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801675 | Optical modulator | Shinji Taniguchi, Masaaki Ohyama, Masaki Sugiyama | 2004-10-05 |
| D495775 | Washing machine with a clothing drier | Sou Sagawa | 2004-09-07 |
| 6783282 | Optical wavelength filter | Tadao Nakazawa, Hideyuki Miyata | 2004-08-31 |
| D491204 | Refrigerator | Sou Sagawa | 2004-06-08 |
| 6741378 | Optical modulator having element for varying optical phase by electrooptic effect | Masaki Sugiyama, Tadao Nakazawa | 2004-05-25 |
| 6678428 | Optical modulator | Minoru Seino, Tetsuo Ishizaka, Takehito Tanaka, Tadao Nakazawa | 2004-01-13 |