Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7398018 | Optical transmission equipment | — | 2008-07-08 |
| 7342946 | Device for processing data signals, method thereof, and device for multiplexing data signals | Akira Okawa, Toshio Kanayama, Toshiaki Hayashi, Kouji Mizumoto, Hiroyuki Fukushima | 2008-03-11 |
| 7133370 | Network topology collection device | Kazuya Ikeda, Masanobu Miyamoto | 2006-11-07 |
| 6321284 | Multiprocessor system with multiple memory buses for access to shared memories | Akio Shinohara, Hideo Abe | 2001-11-20 |
| 6314097 | Transmission device | — | 2001-11-06 |
| 6009076 | Repeating installation | Kazuo Takatsu, Kanta Yamamoto, Yoshinori Nakamura, Toshihito Echizenya | 1999-12-28 |
| 5731639 | Apparatus for connecting power sources with plug-in unit | Kanta Yamamoto | 1998-03-24 |
| 5523703 | Method and apparatus for controlling termination of current driven circuits | Kanta Yamamoto | 1996-06-04 |
| 5495472 | Methods and apparatus for utilizing protection paths as additional working paths in switched ring network systems | — | 1996-02-27 |
| 5189410 | Digital cross connect system | Toru Kosugi, Yuichi Hashimoto, Masayuki Tanaka, Takahiro Furukawa, Makoto Aoki | 1993-02-23 |
| 5144297 | Digital cross connection apparatus | — | 1992-09-01 |