Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9344149 | Power line carrier transmission apparatus and communication system | Osamu Inagawa, Kiyoshi Yanagisawa | 2016-05-17 |
| 9246720 | Semiconductor device and receiver | Kiyoshi Yanagisawa, Osamu Inagawa | 2016-01-26 |
| 9065543 | Power line carrier transmission apparatus and communication system | Osamu Inagawa, Kiyoshi Yanagisawa | 2015-06-23 |
| 8938039 | Semiconductor device and receiver | Kiyoshi Yanagisawa, Osamu Inagawa | 2015-01-20 |
| 6982975 | Packet switch realizing transmission with no packet delay | Kazuhiko Isoyama | 2006-01-03 |
| 6680946 | Layer 3 flow-switching method and system | Kazuhiko Isoyama, Akira Arutaki | 2004-01-20 |
| 6618760 | Forwarding information retrieval technique | Tsugio Okamoto | 2003-09-09 |
| 6570873 | System and method for scheduling reservation of traffic with priority | Kazuhiko Isoyama | 2003-05-27 |
| 6418145 | Internet protocol layer processor | Kazuhiko Isoyama, Tatsuhiko Amagai | 2002-07-09 |
| 6373845 | Multilayer ATM communication equipment | Yasuhiro Miyao | 2002-04-16 |
| 6055234 | ATM switching control method and ATM switch having shared cell memory | — | 2000-04-25 |
| 6049527 | Cell discard control system for an ATM cell buffer | Kazuhiko Isoyama | 2000-04-11 |
| 5864553 | Multiport frame exchange system | — | 1999-01-26 |
| 5485457 | Packet switching system capable of reducing a delay time for each packet | — | 1996-01-16 |
| 5483521 | Asynchronous transfer mode cell switching system | — | 1996-01-09 |
| 5402417 | Packet switching system | — | 1995-03-28 |
| 5383181 | Packet switching system capable of reducing a delay time for each packet | — | 1995-01-17 |
| 5253251 | Switching system with time-stamped packet distribution input stage and packet sequencing output stage | — | 1993-10-12 |