Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9288277 | Communication device, method for communication and relay system | Shigemi Hashimoto | 2016-03-15 |
| 8228813 | Network quality measurement based on quality measurement packet | Kazuo Mizuta | 2012-07-24 |
| 7792041 | Transmission quality measurement apparatus, transmission quality measurement method, and transmission quality measurement system | Kazuo Mizuta | 2010-09-07 |