Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463191 | Optical switching device and optical switching method | Hideaki Tsushima, Masaya Horino, Kazutaka Sato | 2002-10-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463191 | Optical switching device and optical switching method | Hideaki Tsushima, Masaya Horino, Kazutaka Sato | 2002-10-08 |