Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972839 | Optical spectrum analyzer and optical spectrum detecting method | — | 2005-12-06 |
| 6687001 | Optical spectrum analyzer and optical spectrum detecting method | — | 2004-02-03 |
| 5652767 | Data decision circuit used in optical parallel receiving module, optical parallel receiving module, optical parallel transmission system and terminal structure of optical transmission fiber | Tetsuya Kiyonaga, Tetsuo Watanabe, Tatsuro Kunikane, Hiroyuki Furukawa, Yoshimitsu Sakai +1 more | 1997-07-29 |
| 5241612 | Multicore optical connector | — | 1993-08-31 |
| 4621925 | Fiber-optic gyro | Shigefumi Masuda | 1986-11-11 |