Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6154632 | Picture distribution service system | Tetsuo Nishino, Osamu Isono, Toshimasa Fukui, Tetsuo Tachibana | 2000-11-28 |
| 5953334 | ATM switching system | Sumie Morita, Yuzou Kawamura, Shigeru Sekine | 1999-09-14 |
| 5712847 | Line switching system for duplexed fiber interface shelf between different modes | — | 1998-01-27 |
| 5602907 | Method and system for accounting communication charges | Kenji Nemoto | 1997-02-11 |
| 5572518 | Band management system in communication | Maki Takama, Tetsuo Tachibana | 1996-11-05 |
| 5479402 | Logical channel setting system for ATM network | Ryoichi Ishibashi, Tetsuo Tachibana, Toshio Irie | 1995-12-26 |