Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798558 | Optical clock multiplier and method thereof | Michiaki Hayashi, Masatoshi Suzuki | 2004-09-28 |
| 6782201 | Four fiber ring network optical switching circuit using branched inputs | Shu Yamamoto, Tetsuya Miyazaki, Yasuyuki Nagao | 2004-08-24 |
| 6741810 | Signal demultiplexing device and signal routing device in high speed transmission system | Tetsuya Miyazaki, Shu Yamamoto | 2004-05-25 |