Issued Patents All Time
Showing 1–25 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334882 | Radio-frequency amplifier circuit | Satoshi Tanaka | 2025-06-17 |
| 12308355 | Semiconductor device and semiconductor module | Yuichi Saito | 2025-05-20 |
| 12308809 | Power amplification circuit | Shigeki Koya | 2025-05-20 |
| 12177790 | High-frequency signal processing apparatus and wireless communication apparatus | Satoshi Tanaka, Kiichiro Takenaka, Taizo Yamawaki, Shun Imai | 2024-12-24 |
| 12063013 | Power amplifier | Masao Kondo | 2024-08-13 |
| 12009359 | Semiconductor device | Shinnosuke Takahashi, Masayuki Aoike, Shigeki Koya | 2024-06-11 |
| 11978786 | Bipolar transistor and radio-frequency power amplifier module | Isao Obu, Yasunari Umemoto, Masahiro Shibata, Shigeki Koya, Masao Kondo | 2024-05-07 |
| 11894816 | Power amplifier circuit | Satoshi Tanaka | 2024-02-06 |
| 11856525 | High-frequency signal processing apparatus and wireless communication apparatus | Satoshi Tanaka, Kiichiro Takenaka, Taizo Yamawaki, Shun Imai | 2023-12-26 |
| 11791782 | Power amplification module | Masao Kondo, Kiichiro Takenaka, Satoshi Tanaka | 2023-10-17 |
| 11705875 | Power amplifier module | Shigeki Koya, Yasunari Umemoto, Yuichi Saito, Isao Obu | 2023-07-18 |
| 11658180 | Semiconductor device having a plurality of bipolar transistors with different heights between their respective emitter layers and emitter electrodes | Isao Obu, Shigeki Koya, Yasunari Umemoto | 2023-05-23 |
| D985323 | Beverage making machine | Takuya Koyanagi | 2023-05-09 |
| 11646704 | Power amplifier circuit | Masao Kondo, Satoshi Tanaka | 2023-05-09 |
| 11626511 | Semiconductor device | Isao Obu, Yasunari Umemoto, Masahiro Shibata, Shigeki Koya, Masao Kondo | 2023-04-11 |
| 11611942 | High-frequency signal processing apparatus and wireless communication apparatus | Satoshi Tanaka, Kiichiro Takenaka, Taizo Yamawaki, Shun Imai | 2023-03-21 |
| 11610883 | Semiconductor device | Shigeki Koya, Kazuhito Nakai, Yusuke Tanaka | 2023-03-21 |
| 11557664 | Heterojunction bipolar transistor including ballast resistor and semiconductor device | Isao Obu, Yasunari Umemoto, Satoshi Tanaka | 2023-01-17 |
| 11528012 | Active balun circuit, power amplifier circuit, and power amplifier module | Satoshi Tanaka, Kiichiro Takenaka, Masatoshi Hase | 2022-12-13 |
| 11476807 | Power amplifier module | Shigeki Koya, Yasunari Umemoto, Isao Obu, Satoshi Tanaka | 2022-10-18 |
| 11368131 | Power amplifier circuit | Satoshi Tanaka, Yasuhisa Yamamoto | 2022-06-21 |
| 11322462 | Semiconductor device | Isao Obu | 2022-05-03 |
| 11309852 | Power amplifier and compound semiconductor device | Isao Obu, Satoshi Tanaka, Yasunari Umemoto | 2022-04-19 |
| 11290964 | High-frequency signal processing apparatus and wireless communication apparatus | Satoshi Tanaka, Kiichiro Takenaka, Taizo Yamawaki, Shun Imai | 2022-03-29 |
| 11289434 | Semiconductor element and power amplification device | Shigeki Koya, Yasunari Umemoto, Isao Obu, Masao Kondo, Yuichi Saito | 2022-03-29 |