Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9591504 | Network monitoring system | Akira Tanaka, Naoya Kohmura | 2017-03-07 |
| 8228813 | Network quality measurement based on quality measurement packet | Yasuo Take | 2012-07-24 |
| 8213327 | Communication quality measurement system, device, management server and method thereof | Hideki Ariyoshi | 2012-07-03 |
| 7792041 | Transmission quality measurement apparatus, transmission quality measurement method, and transmission quality measurement system | Yasuo Take | 2010-09-07 |
| 7773528 | Packet measuring system, packet measuring program, probe and packet measuring method | Hideki Ariyoshi | 2010-08-10 |
| 6522660 | Method and system for controlling reservation of data channels in automatic call distribution services | Masataka Mukaihara | 2003-02-18 |
| 6337905 | System for controlling automatic call distribution service | Miwa Kususe, Masataka Mukaihara | 2002-01-08 |