Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501738 | Multipoint/multichannel connection device in integrated services digital network | — | 2002-12-31 |
| 6124881 | System for generating composed signals of multiple pictures for use in a video conference system | Yuichi Terui, Noriyuki Ihara, Makoto Hasegawa, Akifumi Arita | 2000-09-26 |
| 5987009 | Multipoint/multichannel connection device in integrated services digital network | — | 1999-11-16 |
| 4809267 | Packet data communication system with ring type transmission line | Masahiro Higuchi, Haruki Fukuda, Kenshi Tazaki, Masahiro Matsuda | 1989-02-28 |