Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002819 | Optical switch and switching method | Kazuhito Saito, Takeo Komiya, Mitsuaki Tamura, Kazumasa Ozawa, Kenichi Tomita +1 more | 1999-12-14 |
| 5832149 | Optical switch | Seiji Omizu, Takashi Ebihara, Naoki Nakao | 1998-11-03 |