Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323123 | Phase shifter comprising selectable first and second all-pass filters, where the all-pass filters include capacitors and inductors of determined values to achieve impedance matching | Kei FUKUNAGA, Masatake Hangai, Yoshifumi Kawamura, Shintaro Shinjo | 2025-06-03 |
| 11923811 | High-frequency power amplifier | Masatake Hangai, Shintaro Shinjo | 2024-03-05 |
| 10700682 | High-frequency switch | Tetsunari SAITO, Kazuhiko Nakahara | 2020-06-30 |
| 10439262 | High frequency switch | Masatake Hangai, Koji Yamanaka | 2019-10-08 |