Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7366410 | Signal relay apparatus of optical communication system | Yoshikazu Saito | 2008-04-29 |
| 6850826 | Vehicle network system and a method of controlling states of vehicle apparatuses | Hiroshi Nishiyama, Yoshikazu Saito, Akiyoshi Tomita, Katsutoshi Nakajima, Kazuyoshi Unno | 2005-02-01 |
| 6650625 | Ring network system | Akiyoshi Tomita, Kazuyoshi Unno, Katsutoshi Nakajima, Hiroshi Nishiyama, Yoshikazu Saito | 2003-11-18 |
| 6640254 | Network control device enabling communication between first and second networks utilizing mode switching for downloading a communication program to the second network | Satoshi Tanaka, Katsutoshi Nakajima | 2003-10-28 |
| 6590863 | Operation mode changing-over method and multiplex transmission apparatus for realizing the same | Katsutoshi Nakajima, Akiyoshi Tomita, Hiroshi Nishiyama, Kazuyoshi Unno, Yoshikazu Saito | 2003-07-08 |
| 6504823 | Network monitoring system and method thereof | Katsutoshi Nakajima, Yoshikazu Saito, Hiroshi Nishiyama, Kazuyoshi Unno, Akiyoshi Tomita | 2003-01-07 |
| 6501574 | Optical multiplex transmission apparatus and optical multiplex transmission method | Kazuyoshi Unno, Akiyoshi Tomita, Hiroshi Nishiyama, Katsutoshi Nakajima, Yoshikazu Saito | 2002-12-31 |
| 6381714 | Error detection method, error detection apparatus, and network system | Akiyoshi Tomita, Kazuyoshi Unno, Hiroshi Nishiyama, Katsutoshi Nakajima, Yoshikazu Saito | 2002-04-30 |
| 6253335 | Network abnormality recovery method and system | Katsutoshi Nakajima, Hiroshi Nishiyama, Katsumi Murakami, Yoshiyuki Furuya | 2001-06-26 |
| 6199174 | Abnormality recovery system | Katsumi Murakami, Hiroshi Nishiyama, Katsutoshi Nakajima | 2001-03-06 |
| 6154859 | Abnormality monitor method and abnormality monitor system in a network | Katsumi Murakami, Hiroshi Nishiyama, Katsutoshi Nakajima | 2000-11-28 |
| 6040760 | Center cluster module and system, and electrical equipment connector system | Ichiro Kataoka, Kunimitsu Aoki, Yoshiyuki Furuya, Junichi Matsushita, Hiroshi Nishiyama +3 more | 2000-03-21 |