Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11205166 | Wireless reading system, shopping assistance system with the same, wireless reading method and shopping assistance method | Koji Imamura, Atsushi Maruyama, Shinichi Okada, Masahiro Kumagawa, Shinsuke Ogata | 2021-12-21 |
| 10769917 | Wireless communications system and method for controlling communications terminal | Koji Imamura, Shinichi Okada, Masahiro Kumagawa, Junichi Takahashi | 2020-09-08 |
| 7492238 | Radio-frequency switching circuit and semiconductor device | Tadayoshi Nakatsuka, Atsushi Suwa, Masakazu Adachi | 2009-02-17 |