Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158561 | Communication system, communication device, and communication method | Teruko Fujii, Yasuyuki Nagashima, Masataka Kato | 2007-01-02 |
| 7130277 | Communication system and communication method | Teruko Fujii, Yasuyuki Nagashima, Masataka Kato | 2006-10-31 |
| 6751733 | Remote authentication system | Hiroshi Nakamura, Teruko Fujii, Tetsuo Sadakane | 2004-06-15 |
| 6016350 | Encryption apparatus for enabling encryption and non-encryption terminals to be connected on the same network | Chieko Funabe, Shoichiro Seno, Yuuji Koui | 2000-01-18 |
| 5455568 | Selective communication system having separate connection circuits between communication devices | Tatsuki Ichihashi, Shoichiro Seno, Shigeru Aoyama | 1995-10-03 |