Class H03F : AMPLIFIERS
Subclass 1/07: 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 in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators Doherty-type amplifiers
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12267052 | Power amplifying device | Mar 04, 22 | Apr 01, 25 | Kabushiki Kaisha Toshiba; TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION; |
| 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 |
| 12237814 | Load-modulated balanced amplifiers | Dec 08, 21 | Feb 25, 25 | University of Central Florida Research Foundation, Inc. |
| 12224723 | High frequency power amplification device | Feb 21, 24 | Feb 11, 25 | NUVOTON TECHNOLOGY CORPORATION JAPAN |
| 12206366 | Harmonic processing circuit and amplifier | Oct 28, 19 | Jan 21, 25 | Sumitomo Electric Industries, Ltd. |
| 12176861 | Power amplifier circuit | Nov 10, 23 | Dec 24, 24 | Murata Manufacturing Co Ltd. |
| 12155352 | Power amplifier arrangement | Mar 13, 19 | Nov 26, 24 | Telefonaktiebolaget LM Ericsson ( publ) |
| 12149209 | High efficiency ultra-wideband amplifier | Jun 01, 21 | Nov 19, 24 | Not available |
| 12063017 | Multi-mode power amplifier system and related wireless devices and methods | Jun 04, 21 | Aug 13, 24 | Skyworks Solutions, Inc. |
| 12034408 | Wideband Doherty power amplifier | Nov 12, 21 | Jul 09, 24 | City University of Hong Kong |
| 12003223 | Systems and methods for modular power amplifiers | Jun 22, 21 | Jun 04, 24 | Epirus, Inc. |
| 11942911 | Radio-frequency power amplifier device | Feb 17, 22 | Mar 26, 24 | NUVOTON TECHNOLOGY CORPORATION JAPAN |
| 11936348 | Impedance element with built-in odd-mode oscillation suppression | Mar 20, 19 | Mar 19, 24 | Telefonaktiebolaget LM Ericsson ( publ) |
| 11916520 | Transceiver circuit | Jun 03, 22 | Feb 27, 24 | Murata Manufacturing Co Ltd. |
| 11876489 | Dual drive Doherty power amplifier and systems and methods relating to same | Mar 15, 23 | Jan 16, 24 | Falcomm, Inc. |
| 11843352 | Inverted Doherty power amplifier with large RF and instantaneous bandwidths | Jun 17, 21 | Dec 12, 23 | MACOM Technology Solutions Holdings, Inc. |
| 11824501 | Power amplifier circuit | Jun 04, 21 | Nov 21, 23 | Murata Manufacturing Co Ltd. |
| 11811366 | Symmetrical Doherty power amplifier having improved efficiency | Jan 04, 22 | Nov 07, 23 | MACOM Technology Solutions Holdings, Inc. |
| 11791783 | Power amplifier system | Nov 24, 20 | Oct 17, 23 | SAMSUNG-ELECTRO-MECHANICS CO. LTD. |
| 11784611 | Power amplifier antenna structure | Mar 11, 21 | Oct 10, 23 | Skyworks Solutions, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0119,103 | HARMONIC PROCESSING CIRCUIT AND AMPLIFIER | Dec 16, 24 | Apr 10, 25 | Sumitomo Electric Industries, Ltd. |
| 2020/0162,037 | POWER AMPLIFICATION DEVICE AND TELEVISION SIGNAL TRANSMISSION SYSTEM | Jan 27, 20 | May 21, 20 | NEC Corporation |
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