Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9741213 | Radio communication apparatus and radio communication system | Takashi Watanabe, Katsumi Nakagawa | 2017-08-22 |
| 9430934 | Wireless communication device and locator system | Takashi Watanabe, Katsumi Nakagawa | 2016-08-30 |