H03F 1/14
By use of neutralising means
Official title: by use of neutralising means
H03F1/14 (By use of neutralising means) appears on 218 US grants and 198 published applications in this corpus.
Search patents in H03F- Granted patents
- 218
- Published applications
- 198
- Assignees
- 144
- Inventors
- 437
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 4 | 3 |
| 2004 | 7 | 5 |
| 2005 | 3 | 3 |
| 2006 | 5 | 11 |
| 2007 | 8 | 10 |
| 2008 | 8 | 6 |
| 2009 | 8 | 8 |
| 2010 | 11 | 3 |
| 2011 | 9 | 5 |
| 2012 | 1 | 7 |
| 2013 | 7 | 3 |
| 2014 | 9 | 13 |
| 2015 | 6 | 6 |
| 2016 | 10 | 4 |
| 2017 | 9 | 12 |
| 2018 | 18 | 20 |
| 2019 | 14 | 6 |
| 2020 | 10 | 12 |
| 2021 | 10 | 3 |
| 2022 | 5 | 10 |
| 2023 | 7 | 19 |
| 2024 | 7 | 13 |
| 2025 | 14 | 9 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Linear and bandwidth reconfigurable current buffer or amplifier21 Jul 2026US 12,689,340 B2QUALCOMM Incorporated
- Active power splitter and combiner circuitry24 Mar 2026US 12,587,225 B2Apple Inc.
- Amplifier circuit for buffering high slew rate signal17 Feb 2026US 12,556,143 B2Cirrus Logic, Inc.
- Operational amplifier, chip, and electronic device27 Jan 2026US 12,537,492 B2Huawei Technologies Co., Ltd.
- Amplifier protection circuit and method9 Dec 2025US 12,494,747 B2Telefonaktiebolaget LM Ericsson (publ)
- Voltage ripple suppression and memory distortion neutralization in a wireless transmission circuit27 Aug 2026US 2026/0254420 A1Qorvo US, Inc.
- Low-power operational amplifier9 Apr 2026US 2026/0100684 A1STMicroelectronics International N. V.
- Radio-frequency amplifying apparatus and magnetic resonance imaging apparatus26 Mar 2026US 2026/0086177 A1Canon Medical Systems Corporation
- Semiconductor layout pattern and radio frequency circuit layout pattern26 Mar 2026US 2026/0088781 A1United Microelectronics Corp.
- Memory distortion neutralization in a power amplifier circuit15 Jan 2026US 2026/0019045 A1Qorvo US, Inc.
Most cited
By later US patents
- Current-controlled CMOS wideband data amplifier circuits128US 6,624,699 B2Broadcom Corporation · 2003
- Power amplifier with load switching circuit83US 6,806,767 B2Anadigics, Inc. · 2004
- CDMA power amplifier design for low and high power modes51US 7,202,736 B1Anadigies, Inc. · 2007
- Apparatus and method for a tunable multi-mode multi-band power amplifier module49US 8,749,307 B2Samsung Electronics Co., Ltd. · 2014
- Synthetic circuit component and amplifier applications40US 6,879,215 B1Linear Technology Corporation · 2005