Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822271 | Semiconductor photodetector and optical transmitting device | Toshiyuki Mogi, Kazumi Kawamoto, Shinji Tsuji, Hitoshi Nakamura, Masato Shishikura | 2004-11-23 |
| 6721511 | Optical communication equipment and optical communication network equipment | Kimio Tatsuno, Koji Yoshida, Kazuyuki Fukuda, Hiroshi Naka | 2004-04-13 |