Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308809 | Power amplification circuit | Takayuki Tsutsui | 2025-05-20 |
| 12262556 | Power amplifier | Shaojun MA, Masayuki Aoike, Shinnosuke Takahashi, Yasunari Umemoto, Masatoshi Hase | 2025-03-25 |
| 12040323 | Semiconductor device | Yasunari Umemoto, Shaojun MA, Kenji Sasaki | 2024-07-16 |
| 12009359 | Semiconductor device | Shinnosuke Takahashi, Masayuki Aoike, Takayuki Tsutsui | 2024-06-11 |
| 11990873 | Radio-frequency power-amplifying element | Yasunari Umemoto, Shaojun MA | 2024-05-21 |
| 11984380 | Semiconductor package, semiconductor device, semiconductor package-mounted apparatus, and semiconductor device-mounted apparatus | Masao Kondo, Kenji Sasaki | 2024-05-14 |
| 11978786 | Bipolar transistor and radio-frequency power amplifier module | Isao Obu, Yasunari Umemoto, Masahiro Shibata, Masao Kondo, Takayuki Tsutsui | 2024-05-07 |
| 11949003 | Semiconductor device | Yasunari Umemoto, Isao Obu, Kaoru IDENO | 2024-04-02 |
| 11871513 | Multilayer wiring substrate | Masao Kondo, Kenji Sasaki | 2024-01-09 |
| 11869957 | Compound semiconductor device | Kenji Sasaki, Kingo Kurotani, Takashi Kitahara | 2024-01-09 |
| 11830917 | Unit cell and power amplifier module | Yasunari Umemoto, Shaojun MA | 2023-11-28 |
| 11817356 | Semiconductor device | Yasunari Umemoto, Isao Obu, Kaoru IDENO | 2023-11-14 |
| 11784245 | Semiconductor device | Kenji Sasaki, Yasunari Umemoto, Shinnosuke Takahashi, Masao Kondo | 2023-10-10 |
| 11769702 | Amplifier module | Yoshimitsu Takenouchi, Kenji Sasaki, Masao Kondo | 2023-09-26 |
| 11705875 | Power amplifier module | Yasunari Umemoto, Yuichi Saito, Isao Obu, Takayuki Tsutsui | 2023-07-18 |
| 11705509 | Heterojunction bipolar transistor | Yasunari Umemoto, 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, Yasunari Umemoto, Takayuki Tsutsui | 2023-05-23 |
| 11631758 | Semiconductor device | Yasunari Umemoto, Isao Obu, Kaoru IDENO | 2023-04-18 |
| 11626511 | Semiconductor device | Isao Obu, Yasunari Umemoto, Masahiro Shibata, Masao Kondo, Takayuki Tsutsui | 2023-04-11 |
| 11610883 | Semiconductor device | Takayuki Tsutsui, Kazuhito Nakai, Yusuke Tanaka | 2023-03-21 |
| 11508834 | Compound semiconductor device | Kenji Sasaki, Kingo Kurotani, Takashi Kitahara | 2022-11-22 |
| 11508835 | Bipolar transistor and method for producing the same | Yasunari Umemoto, Atsushi Kurokawa | 2022-11-22 |
| 11495563 | Semiconductor device | Masao Kondo, Kenji Sasaki, Shinnosuke Takahashi | 2022-11-08 |
| 11476807 | Power amplifier module | Takayuki Tsutsui, Yasunari Umemoto, Isao Obu, Satoshi Tanaka | 2022-10-18 |
| 11424350 | Heterojunction bipolar transistor | Yasunari Umemoto, Isao Obu | 2022-08-23 |