Class H03F : AMPLIFIERS
Subclass 1/30: Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to reduce influence of variations of temperature or supply voltage
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12267047 | Amplifier circuit, corresponding device and method | Apr 14, 22 | Apr 01, 25 | STMicroelectronics S.r.l |
| 12267050 | Power amplifier circuit, power amplifier device, and RF circuit module | Dec 13, 21 | Apr 01, 25 | Murata Manufacturing Co., Ltd. |
| 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 |
| 12261576 | Receiver control circuit and terminal | Mar 30, 21 | Mar 25, 25 | HONOR DEVICE CO., LTD. |
| 12255588 | Cascode amplifier bias circuits | Apr 02, 24 | Mar 18, 25 | pSemi Corporation |
| 12242293 | Low-noise high efficiency bias generation circuits and method | May 23, 23 | Mar 04, 25 | pSemi Corporation |
| 12244276 | Power amplifier circuit | Mar 24, 22 | Mar 04, 25 | Murata Manufacturing Co Ltd. |
| 12237854 | Circuit and method for inter-symbol and intra-symbol voltage modulation | Sep 19, 22 | Feb 25, 25 | Qorvo US, Inc. |
| 12231089 | Control circuit | May 28, 21 | Feb 18, 25 | Murata Manufacturing Co Ltd. |
| 12231092 | Methods related to power amplification systems with adjustable common base bias | Mar 19, 24 | Feb 18, 25 | Skyworks Solutions, Inc. |
| 12224714 | Multiple transistor low noise amplifier optimized for cryogenic temperatures | May 17, 21 | Feb 11, 25 | AmpliTech, Inc. |
| 12224715 | Reference generation circuit for maintaining temperature-tracked linearity in amplifier with adjustable high-frequency gain | Sep 27, 22 | Feb 11, 25 | Not available |
| 12224721 | Power amplifier with quasi-static drain voltage adjustment | Sep 29, 21 | Feb 11, 25 | Qorvo US, Inc. |
| 12212287 | Low noise amplifiers/front-ends optimized for use in 5G networks | May 17, 21 | Jan 28, 25 | AmpliTech, Inc. |
| 12191833 | Power amplifier self-heating compensation circuit | Sep 15, 22 | Jan 07, 25 | pSemi Corporation |
| 12176863 | Amplifier circuit with temperature compensation | Jun 16, 21 | Dec 24, 24 | NXP USA, Inc. |
| 12166454 | Devices and methods for detecting a saturation condition of a power amplifier | Apr 14, 23 | Dec 10, 24 | Skyworks Solutions, Inc. |
| 12159742 | Active current compensation device capable of detecting malfunction | Jan 03, 24 | Dec 03, 24 | EM CORETECH INC.; UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY); |
| 12160206 | DC-blocking amplifier with aliasing tone cancellation circuit | May 23, 22 | Dec 03, 24 | MediaTek Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0112,598 | POWER AMPLIFIER WITH BIASING SCHEME ENABLING HIGH POWER OPERATION | Oct 02, 23 | Apr 03, 25 | Not available |
| 2025/0105,796 | GATE VOLTAGE LEVEL SHIFTING CIRCUIT | Sep 26, 24 | Mar 27, 25 | Not available |
| 2025/0105,809 | AMPLIFIER WITH PRE-DRIVER HAVING CROSS-COUPLED TRANSISTORS | Jan 31, 24 | Mar 27, 25 | Not available |
| 2025/0096,751 | Darlington Circuit with a Driver Amplifier | Sep 19, 23 | Mar 20, 25 | Not available |
| 2025/0088,149 | Radio-frequency Amplifier with Reliability Protection | May 29, 24 | Mar 13, 25 | Not available |
| 2025/0088,162 | Power Amplifier Self-Heating Compensation Circuit | Nov 23, 24 | Mar 13, 25 | Not available |
| 2025/0080,056 | SEMICONDUCTOR DEVICE AND POWER AMPLIFICATION MODULE | Sep 04, 24 | Mar 06, 25 | Not available |
| 2025/0080,069 | UNIT AMPLIFICATION CIRCUIT, AMPLIFIER AND RECEIVING CIRCUIT | Jul 30, 24 | Mar 06, 25 | Not available |
| 2025/0070,732 | POWER AMPLIFYING CIRCUIT | Nov 12, 24 | Feb 27, 25 | Not available |
| 2025/0062,724 | AMPLIFIER CIRCUIT AND COMMUNICATION DEVICE | Nov 01, 24 | Feb 20, 25 | Not available |
| 2025/0062,735 | RADIO-FREQUENCY AMPLIFIER HAVING REDUCED GAIN VARIATION | Aug 26, 24 | Feb 20, 25 | Not available |
| 2025/0055,421 | NESTED FLOATING-INVERTER BASED AMPLIFIER | Aug 08, 23 | Feb 13, 25 | Not available |
| 2025/0055,422 | INTEGRATED CIRCUIT, ASSOCIATED START-UP CIRCUIT AND START-UP METHOD THEREOF | Aug 06, 24 | Feb 13, 25 | Not available |
| 2025/0055,427 | RADIO FREQUENCY AMPLIFICATION CIRCUIT | Oct 31, 24 | Feb 13, 25 | Not available |
| 2025/0046,514 | ACTIVE CURRENT COMPENSATION DEVICE CAPABLE OF DETECTING MALFUNCTION | Oct 22, 24 | Feb 06, 25 | Not available |
| 2025/0048,040 | HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIATION IN AN ACOUSTICAL SIGNAL CAUSED BY VARIATION IN GAIN OF AN AMPLIFIER | Oct 23, 24 | Feb 06, 25 | Oticon A/S |
| 2025/0030,384 | HIGH-FREQUENCY POWER SUPPLY | Oct 20, 22 | Jan 23, 25 | KYOSAN ELECTRIC MFG. CO., LTD. |
| 2025/0030,389 | POWER AMPLIFYING DEVICE | Jul 17, 24 | Jan 23, 25 | Not available |
| 2025/0023,531 | CIRCUIT FOR VOLTAGE OFFSET COMPENSATION | Jul 13, 23 | Jan 16, 25 | Not available |
| 2025/0007,471 | High-Speed, High-Power Operational Amplifier and Linear Amplitude Modulator | Jun 28, 23 | Jan 02, 25 | Not available |
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