Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850826 | Vehicle network system and a method of controlling states of vehicle apparatuses | Hiroshi Nishiyama, Yoshikazu Saito, Katsutoshi Nakajima, Akira Norizuki, Kazuyoshi Unno | 2005-02-01 |
| 6650625 | Ring network system | Akira Norizuki, Kazuyoshi Unno, Katsutoshi Nakajima, Hiroshi Nishiyama, Yoshikazu Saito | 2003-11-18 |
| 6590863 | Operation mode changing-over method and multiplex transmission apparatus for realizing the same | Katsutoshi Nakajima, Akira Norizuki, Hiroshi Nishiyama, Kazuyoshi Unno, Yoshikazu Saito | 2003-07-08 |
| 6504823 | Network monitoring system and method thereof | Katsutoshi Nakajima, Yoshikazu Saito, Hiroshi Nishiyama, Kazuyoshi Unno, Akira Norizuki | 2003-01-07 |
| 6501574 | Optical multiplex transmission apparatus and optical multiplex transmission method | Kazuyoshi Unno, Hiroshi Nishiyama, Akira Norizuki, Katsutoshi Nakajima, Yoshikazu Saito | 2002-12-31 |
| 6381714 | Error detection method, error detection apparatus, and network system | Kazuyoshi Unno, Hiroshi Nishiyama, Akira Norizuki, Katsutoshi Nakajima, Yoshikazu Saito | 2002-04-30 |