Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9509530 | Communication system and communication terminal | Tadashi Matsumoto | 2016-11-29 |
| 8325599 | Communication system and communication method | Tadashi Matsumoto, Makoto Nishikawa, Masayuki Amano | 2012-12-04 |