Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10581395 | Variable gain amplifier | Koji Tsutsumi, Atsushi Kato, Shinichi Inabe | 2020-03-03 |
| 10530338 | Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device | Takaya Maruyama, Eiji Taniguchi, Koji Tsutsumi | 2020-01-07 |