Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9813983 | Wireless communication system, and wireless communication method in wireless communication system | Katsuhiro Hirai, Takashi Yamamoto | 2017-11-07 |
| 9635322 | Video intercom device | Takashi Yamamoto, Ken Ohbuchi | 2017-04-25 |
| 9629099 | Radio communication apparatus and transmission power control method | Ken Ohbuchi, Takashi Yamamoto, Kouji Yoshida, Takashi Terada, Katsumi Nakagawa | 2017-04-18 |
| 9549151 | Video intercom device | Takashi Yamamoto, Ken Ohbuchi | 2017-01-17 |