Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934440 | Optical switch and optical switch device | Norio Chiba, Kenji Kato, Toshiya Kubo, Hiromitsu Nakayama, Takashi Niwa | 2005-08-23 |
| 6842558 | Optical switch manufacturing method thereof | Yasuyuki Mitsuoka, Hidetaka Maeda, Norio Chiba, Takashi Niwa, Yoko Shinohara +2 more | 2005-01-11 |