H03F 1/565
Using inductive elements
Official title: {using inductive elements}
H03F1/565 (Using inductive elements) appears on 1,704 US grants and 2,046 published applications in this corpus.
Search patents in H03F- Granted patents
- 1,704
- Published applications
- 2,046
- Assignees
- 470
- Inventors
- 2,672
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 2 |
| 2002 | 13 | 18 |
| 2003 | 8 | 7 |
| 2004 | 15 | 8 |
| 2005 | 10 | 23 |
| 2006 | 20 | 13 |
| 2007 | 12 | 21 |
| 2008 | 14 | 24 |
| 2009 | 21 | 21 |
| 2010 | 16 | 30 |
| 2011 | 26 | 34 |
| 2012 | 41 | 50 |
| 2013 | 45 | 47 |
| 2014 | 45 | 67 |
| 2015 | 58 | 90 |
| 2016 | 83 | 124 |
| 2017 | 117 | 109 |
| 2018 | 146 | 133 |
| 2019 | 156 | 151 |
| 2020 | 137 | 153 |
| 2021 | 104 | 149 |
| 2022 | 122 | 143 |
| 2023 | 86 | 172 |
| 2024 | 117 | 173 |
| 2025 | 126 | 154 |
| 2026 | 118 | 130 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Matching network for a power amplifier6 Oct 2026US 12,756,366 B2QUALCOMM Incorporated
- Fully integrated CMOS multiple MOSFET-stacked double push-pull RF power amplifier29 Sep 2026US 12,750,012 B2Shanghai WUQI Microelectronics Co., Ltd.
- RF amplifiers with improved stability by source inductance adjustment15 Sep 2026US 12,740,427 B2MACOM Technology Solutions Holdings, Inc.
- RF amplifier circuit with a feedback circuit and method for adjusting a gain mode of same circuit8 Sep 2026US 12,732,137 B2Infineon Technologies AG
- Power amplifier with programmable bandwidth8 Sep 2026US 12,732,140 B2Apple Inc.
- Doherty power amplifiers with controllable capacitor for tuning harmonic termination and inverter8 Oct 2026US 2026/0312543 A1Skyworks Solutions, Inc.
- Load impedance circuit for amplifier8 Oct 2026US 2026/0312545 A1STMicroelectronics International N. V.
- Power amplifier systems with load control8 Oct 2026US 2026/0312548 A1Skyworks Solutions, Inc.
- Stability circuits and methods for power amplifiers8 Oct 2026US 2026/0312549 A1Skyworks Solutions, Inc.
- Rfic with substrate partition8 Oct 2026US 2026/0312551 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Power feeding apparatus, power receiving apparatus, wireless power feeding system and method for wireless transfer of power274US 9,006,934 B2Sony Corporation · 2015
- Method and apparatus for linear amplification of a radio frequency signal198US 6,449,465 B1Motorola, Inc. · 2002
- Stacked transistor method and apparatus171US 7,248,120 B2Peregrine Semiconductor Corporation · 2007
- RFIC with high power PA138US 7,853,234 B2Broadcom Corporation · 2010
- Amplifier system and method136US 7,151,411 B2Paratek Microwave, Inc. · 2006