Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519874 | Application execution control method and system for servicing subscribers via a switchboard connected to a computer using an application management table | Junko Yamagishi, Takuo Tsuzuki, Tetsuo Sakuma, Tomoaki Tsunoda | 1996-05-21 |
| 5490135 | Method and system for arranging common channel signal network through | Masashi Hiraiwa, Yoshiaki Asambo | 1996-02-06 |
| 5197096 | Switching method and apparatus having subscriber state management function | Tetsuo Sakuma, Tomoaki Tsunoda, Junko Yamagishi | 1993-03-23 |
| 5031211 | Communication circuit switching or parallel operation system | Yasuhiro Nagai, Ryoichi Sasaki, Michio Suzuki, Shunichi Yosioka | 1991-07-09 |
| 4985887 | Systems for selecting a transmission control procedure in communications using integrated services digital networks | Kansuke Kuroyanagi | 1991-01-15 |
| 4955019 | Multimedia information exchanging system and equipment therefor | Hoshi Tohru, Takashi Morita | 1990-09-04 |
| 4837816 | Communication system using switching apparatus | Tohru Hoshi, Jiro Kashio, Takashi Morita | 1989-06-06 |