Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850826 | Vehicle network system and a method of controlling states of vehicle apparatuses | Hiroshi Nishiyama, Yoshikazu Saito, Akiyoshi Tomita, Akira Norizuki, Kazuyoshi Unno | 2005-02-01 |
| 6650625 | Ring network system | Akira Norizuki, Akiyoshi Tomita, Kazuyoshi Unno, 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, Akira Norizuki | 2003-10-28 |
| 6590863 | Operation mode changing-over method and multiplex transmission apparatus for realizing the same | Akira Norizuki, Akiyoshi Tomita, Hiroshi Nishiyama, Kazuyoshi Unno, Yoshikazu Saito | 2003-07-08 |
| 6504823 | Network monitoring system and method thereof | Yoshikazu Saito, Hiroshi Nishiyama, Kazuyoshi Unno, Akiyoshi Tomita, Akira Norizuki | 2003-01-07 |
| 6501574 | Optical multiplex transmission apparatus and optical multiplex transmission method | Kazuyoshi Unno, Akiyoshi Tomita, Hiroshi Nishiyama, Akira Norizuki, Yoshikazu Saito | 2002-12-31 |
| 6381714 | Error detection method, error detection apparatus, and network system | Akiyoshi Tomita, Kazuyoshi Unno, Hiroshi Nishiyama, Akira Norizuki, Yoshikazu Saito | 2002-04-30 |
| 6253335 | Network abnormality recovery method and system | Hiroshi Nishiyama, Katsumi Murakami, Akira Norizuki, Yoshiyuki Furuya | 2001-06-26 |
| 6199174 | Abnormality recovery system | Akira Norizuki, Katsumi Murakami, Hiroshi Nishiyama | 2001-03-06 |
| 6154859 | Abnormality monitor method and abnormality monitor system in a network | Akira Norizuki, Katsumi Murakami, Hiroshi Nishiyama | 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 |