Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8498581 | Communication test device and communication test method | Yuichi Negami, Hiroyuki Tsuda, Tsuyoshi Sato, Takuma Goto | 2013-07-30 |
| 8396429 | Communication test device and communication test method | Yuichi Negami, Hiroyuki Tsuda, Tsuyoshi Sato, Takuma Goto | 2013-03-12 |
| 8311486 | Communication test device and communication test method | Yuichi Negami, Hiroyuki Tsuda, Tsuyoshi Sato, Takuma Goto | 2012-11-13 |