Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772032 | Semiconductor device manufacturing line | Junji Iwasaki | 2004-08-03 |
| 6760147 | Control apparatus and control method of optical signal exchanger | Yuji Tochio | 2004-07-06 |
| 6711314 | Optical switch control method and apparatus thereof | Yuji Tochio | 2004-03-23 |