Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506721 | External modulator for optical communication | Toshiya Hikami, Shoichi Negami, Shigeaki Nishikawa, Hiromi Ogawa | 1996-04-09 |
| 5497437 | Method and apparatus for receiving light with a modulated polarization | Toshiya Hikami, Shoichi Negami, Shigeaki Nishikawa | 1996-03-05 |
| 5471545 | Optical external modulator for optical telecommunications | Shoichi Negami, Toshiya Hikami, Shigeaki Nishikawa | 1995-11-28 |