Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8655358 | Wireless communication system, wireless communication terminal, and subscriber information management device | Koichi Nakahama, Tatsuya Tanoue, Shinichi Kuranari, Marie Kawano, Ryuichi Ebuchi +4 more | 2014-02-18 |
| 7149302 | Web-based CTI system | Kousuke Sakamoto, Koichi Yoshida | 2006-12-12 |
| 6553221 | Incoming call notification apparatus | Masayuki Nakamura, Tadashi Iwahashi | 2003-04-22 |
| 6519258 | ATM exchange | Takashi Kato, Koichi Yoshida, Tomoko Yamashita | 2003-02-11 |
| 5889760 | ATM switching system capable of equally distributing calls | Koichi Yoshida, Hiroya Tomita | 1999-03-30 |
| 5812551 | ATM exchange with band camp-on registration function | Takashi Kato, Koichi Yoshida, Tomoko Yamashita | 1998-09-22 |