Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8832307 | Telephony system, connection control method, connection control device and recording medium | Tomoyuki Furutono, Junji Tagane, Akio Koga, Ryuji Oda, Masahiro Tanaka +3 more | 2014-09-09 |
| 6336115 | File sharing system in a client/server environment with efficient file control using a www-browser-function extension unit | Hiroyuki Tominaga | 2002-01-01 |
| 5790649 | Call transfer system and electronic mail transfer system | — | 1998-08-04 |
| 5757901 | Call transfer system and electronic mail transfer system | — | 1998-05-26 |
| 4762048 | Apparatus for uniforming heat of gun barrel | Izumi Higashi, Akio Adachi, Takayoshi Tajima | 1988-08-09 |