Class H03F : AMPLIFIERS
Subclass 1/02: Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12267045 | Weak-signal reading circuit for sensor | Aug 26, 20 | Apr 01, 25 | Biomedical Engineering Development Center of Sun Yat-Sen University of |
| 12267046 | Power amplifier system | Jan 20, 22 | Apr 01, 25 | Qorvo US, Inc. |
| 12267048 | Common-emitter amplifier with unilateral pre-embedding inductors | Dec 09, 24 | Apr 01, 25 | Beijing University of Posts and Telecommunications |
| 12267049 | Audio amplifer with fast wake-up power supply | Dec 01, 21 | Apr 01, 25 | RGB Systems Inc. |
| 12267053 | Differential amplifier, semiconductor device and offset cancellation method | Oct 13, 22 | Apr 01, 25 | Renesas Electronics Corporation |
| 12261571 | Bias control circuit for power transistors | Mar 28, 22 | Mar 25, 25 | NXP USA, Inc. |
| 12261572 | Waveform-tailored average power tracking | Oct 10, 23 | Mar 25, 25 | QUALCOMM Incorporated |
| 12261573 | Amplifier with stacked transconducting cells in current mode combining | Nov 19, 21 | Mar 25, 25 | THE BOEING COMPANY |
| 12261577 | Amplifier peak detection | Jun 23, 21 | Mar 25, 25 | QUALCOMM Incorporated |
| 12255587 | Gate drivers for stacked transistor amplifiers | Aug 09, 23 | Mar 18, 25 | pSemi Corporation |
| 12249409 | Ultra wideband (UWB) transmitter and receiver circuits | Feb 08, 24 | Mar 11, 25 | Not available |
| 12249961 | Wide bandwidth power amplifier apparatus | Feb 10, 22 | Mar 11, 25 | Qorvo US, Inc. |
| 12249962 | Method for controlling a driver circuit, driver circuit, system comprising a driver circuit and method for manufacturing an integrated circuit | May 05, 22 | Mar 11, 25 | Fraunhofer - Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| 12249963 | Method for enhancing power amplifier efficiency and linearity and power amplifier | Jul 29, 20 | Mar 11, 25 | The Regents of the University of California |
| 12249966 | Multi-mode multi-port driver for transceiver interface | Apr 29, 24 | Mar 11, 25 | QUALCOMM Incorporated |
| 12243836 | Semiconductor device | Dec 13, 21 | Mar 04, 25 | Murata Manufacturing Co., Ltd. |
| 12244269 | Power amplifier | Dec 07, 21 | Mar 04, 25 | RichWave Technology Corp. |
| 12244270 | Current mode multi-input maximum signal detector | Jan 14, 22 | Mar 04, 25 | Qorvo US, Inc. |
| 12237812 | Semi-log preamp with switched gains | Nov 24, 24 | Feb 25, 25 | Not available |
| 12237813 | Power amplifier equalizer | Nov 07, 23 | Feb 25, 25 | Murata Manufacturing Co Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0119,100 | POWER AMPLIFIER MODULES WITH CONTROLLABLE ENVELOPE TRACKING NOISE FILTERS | Sep 23, 24 | Apr 10, 25 | Not available |
| 2025/0119,101 | BOOSTER STAGE CIRCUIT FOR POWER AMPLIFIER | Nov 21, 24 | Apr 10, 25 | AXIGN B.V. |
| 2025/0119,102 | POWER AMPLIFIER MODULE WITH INTERLEAVED WIREBONDS | Oct 06, 23 | Apr 10, 25 | Not available |
| 2025/0119,103 | HARMONIC PROCESSING CIRCUIT AND AMPLIFIER | Dec 16, 24 | Apr 10, 25 | Sumitomo Electric Industries, Ltd. |
| 2025/0112,596 | ENVELOPE DETECTOR ARCHITECTURE WITH NOISE CANCELATION | Oct 03, 23 | Apr 03, 25 | Not available |
| 2025/0112,597 | DYNAMIC BIASING CIRCUITRY FOR TRANSCONDUCTANCE AMPLIFIER STAGE | Oct 02, 24 | Apr 03, 25 | Not available |
| 2025/0112,603 | WIDEBAND CHANNEL SELECTIVE AMPLIFIER STRUCTURES | Sep 29, 23 | Apr 03, 25 | Not available |
| 2025/0112,651 | MULTIGENERATIONAL FRONT-END MODULE (FEM) WITH 2G VRAMP CAPABILITIES | Aug 05, 24 | Apr 03, 25 | Not available |
| 2025/0105,789 | AMPLIFIER WITH SOURCE DEGENERATION | Sep 21, 23 | Mar 27, 25 | Macronix International Co. Ltd. |
| 2025/0105,790 | VOLTAGE RIPPLE CANCELLATION IN A TRANSMISSION CIRCUIT | Jan 09, 23 | Mar 27, 25 | Not available |
| 2025/0105,791 | MULTI-TRANSMISSION ENVELOPE TRACKING CIRCUIT | Jan 19, 23 | Mar 27, 25 | Not available |
| 2025/0105,792 | Load Modulated Radio-frequency Amplifier with Supply Voltage Error Compensation | Jun 11, 24 | Mar 27, 25 | Not available |
| 2025/0105,793 | DOHERTY AMPLIFIER CIRCUIT | Sep 10, 24 | Mar 27, 25 | Not available |
| 2025/0105,794 | POWER AMPLIFICATION DEVICE | Sep 24, 24 | Mar 27, 25 | Not available |
| 2025/0105,799 | Compact Doherty Amplifier Having Improved Video Bandwidth | Jan 30, 23 | Mar 27, 25 | Not available |
| 2025/0105,810 | DIFFERENTIAL AMPLIFIER INCLUDING FEEDBACK LOOP CIRCUITS, ELECTRONIC DEVICE, AND OPERATING METHOD THEREOF | Sep 05, 24 | Mar 27, 25 | Not available |
| 2025/0105,874 | CABLE NETWORK SYSTEM FOR BIDIRECTIONAL COMMUNICATION AT AN ENCHANCED DUPLEX FREQUENCY RANGE | Dec 06, 24 | Mar 27, 25 | PPC Broadband, Inc. |
| 2025/0096,730 | POWER AMPLIFIER AND METHOD FOR CONTROLLING POWER AMPLIFIER | Mar 27, 23 | Mar 20, 25 | SUZHOU WATECH ELECTRONICS CO., LTD. |
| 2025/0096,731 | AVERAGE POWER TRACKING MODULE, AVERAGE POWER TRACKING CIRCUIT, COMMUNICATION DEVICE, AND METHOD FOR SUPPLYING POWER SUPPLY VOLTAGE | Nov 29, 24 | Mar 20, 25 | Not available |
| 2025/0096,732 | THREE-WAY DOHERTY AMPLIFIER | Sep 14, 23 | Mar 20, 25 | Not available |
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