Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9325529 | Hybrid type telephony system | — | 2016-04-26 |
| 8432900 | Hybrid type telephony system | — | 2013-04-30 |
| 7586906 | Hybrid type telephony system | — | 2009-09-08 |
| 7058044 | Hybrid type telephony system | — | 2006-06-06 |
| 6741601 | Delay fluctuation absorbing device and method | — | 2004-05-25 |
| 6470011 | Time division multiplex highway switch control system and control method of T-S-T three-stage switches in electronic switching system | Hiroyuki Moride | 2002-10-22 |
| 5831981 | Fixed-length speech signal communication system capable of compressing silent signals | Hiromi Kawabata | 1998-11-03 |