Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8588388 | Telephone system and server apparatus and control method used in telephone system | Yasumasa Sasaki, Toshio Nishida, Yoshimitsu Ebisawa | 2013-11-19 |
| 8532007 | Assigning communication media to a terminal based on remaining battery amount | — | 2013-09-10 |
| 8295281 | Communication system, communication terminal device used in communication system and communication method used in communication system | Shuichi Sato | 2012-10-23 |
| 7804828 | Communication method between communication networks | Kazuhiro Kobashi, Shuichi Sato | 2010-09-28 |
| 7778623 | Communication system and server apparatus and terminal apparatus | Kenichi Kitazawa | 2010-08-17 |
| 7174458 | Method of and apparatus for authenticating client terminal by making use of port access | Toshio Murai | 2007-02-06 |
| 6643291 | Multimedia information communication system | Katsunori Yoshihara, Toshio Murai, Shuichi Sato, Shinichi Kashimoto, Shinichi Shishino | 2003-11-04 |