Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7260437 | Network system using management frames for supervising control units | Tomohisa Kishigami, Hajime Kikkawa | 2007-08-21 |
| 6996113 | Data relay unit and multiplex communication system capable of inhibiting data relay in response to failure | Hajime Kikkawa, Tomohisa Kishigami, Jiro Sato | 2006-02-07 |
| 6986070 | Microcomputer that cooperates with an external apparatus to be driven by a drive signal | Yoichi Fujita, Shuichi Nitta, Yasuaki Saito | 2006-01-10 |
| 6967969 | Multiplex communication system capable of activating destination network beforehand | Hajime Kikkawa, Tomohisa Kishigami, Jiro Sato | 2005-11-22 |
| 6958976 | Abnormality detection method and system having sleep mode check function | Hajime Kikkawa, Tomohisa Kishigami, Jiro Sato | 2005-10-25 |