Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8971318 | Relay communication apparatus and multistage relay communication system | Tsutomu Yamada, Noritaka Matsumoto, Yoshihito Sato, May Takada, Masayuki Miyazaki | 2015-03-03 |
| 8693481 | Communication device | Noritaka Matsumoto, Tsutomu Yamada, Yoshihito Sato | 2014-04-08 |