Issued Patents All Time
Showing 1–2 of 2 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 |
| 7711096 | Telecommunication server apparatus | Kenichi Sakurai, Masahiko Kagawa | 2010-05-04 |