Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7120686 | Method and system for notification of maintenance information using portable terminal and computer program product | Susumu Sasabe, Shin-Ichiro Hayano, Yasuhiro Uemura, Hiroyuki Hayashi, Shingo Fukui | 2006-10-10 |
| 6420962 | AUTOMATIC IDENTIFICATION LEVEL CONTROL CIRCUIT, IDENTIFICATION LEVEL CONTROL METHOD, AUTOMATIC IDENTIFICATION PHASE CONTROL CIRCUIT, IDENTIFICATION PHASE CONTROL METHOD, OPTICAL RECEIVER, AND OPTICAL COMMUNICATION SYSTEM | Yoshihiro Matsumoto, Takashi Kuriyama, Yoshinori Honma, Tsutomu Tajima, Masashi Tachigori +3 more | 2002-07-16 |
| 5436750 | Optical repeatered transmission with fault locating capability | — | 1995-07-25 |