Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982514 | Optical-signal/electric-signal converting device | Takahiro Suzuki, Noboru Kanzaki, Takashi Yoshida, Eiichi Nabeta | 1999-11-09 |
| 5969839 | Optical communications device | Takashi Yoshida, Noboru Kanzaki, Eiichi Nabeta | 1999-10-19 |
| 5729371 | Optical communications device | Takashi Yoshida, Noboru Kanzaki, Eiichi Nabeta | 1998-03-17 |
| 5448231 | Method and apparatus for transmitting signals on a transmission line | Fumihiko Takezoe, Hironori Mine | 1995-09-05 |
| 4814754 | Monitoring system | Kikuo Kawasaki, Hitoshi Yamamoto, Masanori Fukuhara | 1989-03-21 |