Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11343367 | Radio communication apparatus and method with switch for internal/external speaker-microphone mechanism used in radio and PTT communications | Seiji Okada | 2022-05-24 |
| 10778356 | Terminal device and communication method | Hiroshi Koike | 2020-09-15 |
| 10298425 | Radio repeater, sound quality adjustment system, and sound quality adjustment method | — | 2019-05-21 |
| 10090991 | Techniques for communicating through a relay station by a plurality of half-duplex wireless devices | — | 2018-10-02 |