Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119311 | Amplifier device | — | 2024-10-15 |
| 11588441 | Semiconductor amplifier | — | 2023-02-21 |
| 11533026 | Amplifier module | — | 2022-12-20 |
| 10903795 | Semiconductor amplifier | — | 2021-01-26 |
| 10763802 | Amplifier module | — | 2020-09-01 |
| 10396025 | Semiconductor device and amplifier apparatus | Yuichi Hasegawa | 2019-08-27 |
| 9866186 | Amplifier | — | 2018-01-09 |
| 9331640 | Amplifier | — | 2016-05-03 |
| 8258851 | Switching circuit and method for testing the same | — | 2012-09-04 |
| 7626443 | Switching circuit, switching module and method of controlling the switching circuit | Takayaki Kitazawa | 2009-12-01 |
| 7561853 | Radio frequency switch | — | 2009-07-14 |
| 7515946 | Semiconductor device and control method for power saving | — | 2009-04-07 |
| 7352086 | Switching circuit, switching module and method of controlling the switching circuit | Takayuki Kitazawa | 2008-04-01 |
| 7253513 | High-frequency switch device and electronic device using the same | — | 2007-08-07 |
| 7015109 | Interdigital capacitor and method for adjusting the same | — | 2006-03-21 |
| 6949811 | Device having interdigital capacitor | — | 2005-09-27 |
| 6903402 | Interdigital capacitor having a cutting target portion | — | 2005-06-07 |
| 6690237 | High frequency power amplifier, and communication apparatus | — | 2004-02-10 |
| 6680533 | Semiconductor device with suppressed RF interference | — | 2004-01-20 |
| 6566954 | High frequency amplifier bias circuit, high frequency power amplifier, and communication device | — | 2003-05-20 |
| 6331799 | Bias circuit for control input of power transistor | — | 2001-12-18 |