Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6154632 | Picture distribution service system | Emi Hata, Tetsuo Nishino, Osamu Isono, Tetsuo Tachibana | 2000-11-28 |
| 5771065 | Picture phone terminal interrupt function and picture phone terminal having communication disconnection notifying function | Toshiyuki Hijikata, Osamu Isono, Emi Kawasaki | 1998-06-23 |
| 5459775 | Service system for interconnecting heterogeneous communication terminals, and communication node device and communication terminal used in the same | Osamu Isono, Norimasa Yano | 1995-10-17 |
| 5400339 | Bidirectional communication apparatus for reducing transmitted data | Katsumi Sekine | 1995-03-21 |
| 5367329 | Accounting system in network for offering video programs | Tatsuru Nakagaki | 1994-11-22 |
| 5270811 | Telemetry monitoring method and device therefor for transmitting information by means of asynchronous transfer mode technique in broadband | Ryoichi Ishibashi | 1993-12-14 |
| 5084867 | Routing method and routing system for switching system having a plurality of paths | Tetsuo Tachibana, Tetsuo Nishino, Osamu Isono, Ryuji Hyodo, Eisuke Iwabuchi | 1992-01-28 |
| 5072440 | Self-routing switching system having dual self-routing switch module network structure | Osamu Isono, Tetsuo Nishino, Tetsuo Tachibana, Ryuji Hyodo, Eisuke Iwabuchi | 1991-12-10 |
| 5067123 | System for controlling data transmission in ATM switching network | Ryuji Hyodo, Eisuke Iwabuchi, Tetsuo Nishino, Osamu Isono, Tetsuo Tachibana | 1991-11-19 |
| 5007055 | Information distribution system | Osamu Isono, Tetsuo Nishino, Tetsuo Tachibana, Eisuke Iwabuchi | 1991-04-09 |
| 4993018 | Self-routing switching system with multiple link connections between incoming and outgoing lines | Kazuo Hajikano, Koso Murakami, Shunji Abe, Tetsuo Nishino, Osamu Isono +3 more | 1991-02-12 |
| 4965790 | Communication system for forming different networks on the same ring transmission line | Tetsuo Nishino, Osamu Isono, Tetsuo Tachibana, Eisuke Iwabuchi | 1990-10-23 |
| 4837761 | Header driven type packet switching system | Osamu Isono, Tetsuo Nishino, Tetsuo Tachibana, Eisuke Iwabuchi | 1989-06-06 |