Issued Patents 2023
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |