Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577784 | Optical switch | Hisao Kurosawa, Masafumi Kokubo, Hideaki Tsushima | 2003-06-10 |
| 6511191 | Optical switch system and method for aligning optical axis therein | Tadaaki Ishikawa | 2003-01-28 |