Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7321594 | Router apparatus provided with output port circuit including storage unit, and method of controlling output port circuit of router apparatus | Hideki Tode, Kazuhiko Kinoshita, Katsuya Minami | 2008-01-22 |
| 4993018 | Self-routing switching system with multiple link connections between incoming and outgoing lines | Kazuo Hajikano, Shunji Abe, Tetsuo Nishino, Toshimasa Fukui, Osamu Isono +3 more | 1991-02-12 |
| 4837855 | Non-blocking optical space switch | Kazuo Hajikano, Toshio Shimoe, Jyoei Kamoi, Ippei Sawaki | 1989-06-06 |
| 4680758 | Switching system having tone trunk | Masayuki Kumazaki, Toshio Shimoe | 1987-07-14 |
| 4656625 | Switching system having capability for telecommunication conferences | Shoji Nojiri, Kenichi Ogawa | 1987-04-07 |