H03F 3/45197
Pl types
Official title: {Pl types (H03F3/45224, H03F3/45251 take precedence)}
H03F3/45197 (Pl types) appears on 490 US grants and 408 published applications in this corpus.
Search patents in H03F- Granted patents
- 490
- Published applications
- 408
- Assignees
- 238
- Inventors
- 870
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 10 |
| 2003 | 20 | 23 |
| 2004 | 11 | 8 |
| 2005 | 9 | 13 |
| 2006 | 13 | 17 |
| 2007 | 18 | 19 |
| 2008 | 15 | 18 |
| 2009 | 16 | 18 |
| 2010 | 24 | 15 |
| 2011 | 27 | 13 |
| 2012 | 12 | 12 |
| 2013 | 14 | 15 |
| 2014 | 13 | 18 |
| 2015 | 14 | 10 |
| 2016 | 20 | 12 |
| 2017 | 17 | 20 |
| 2018 | 19 | 17 |
| 2019 | 22 | 11 |
| 2020 | 19 | 18 |
| 2021 | 16 | 20 |
| 2022 | 27 | 24 |
| 2023 | 23 | 31 |
| 2024 | 20 | 17 |
| 2025 | 16 | 20 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Differential amplifier circuit29 Sep 2026US 12,750,022 B2Renesas Electronics Corporation
- Method for varying amplifier gain22 Sep 2026US 12,744,503 B2Nokia Solutions and Networks Oy
- Common adjustment circuit9 Jun 2026US 12,652,010 B2Socionext Inc.
- Transimpedance amplifier circuit17 Mar 2026US 12,580,539 B2Sumitomo Electric Industries, Ltd.
- Self-controlled equalization circuit capable of providing an automatic gain control mechanism24 Feb 2026US 12,562,700 B2Fujian Jinhua Integrated Circuit Co., Ltd.
- Composite amplifier core, amplifier structure, and circuit structure formed thereof6 Aug 2026US 2026/0230047 A1Argus Space AG
- Transimpedance amplifier with low supply voltage16 Jul 2026US 2026/0205079 A1Mediatek Inc.
- Feedback amplifier input stage circuit2 Jul 2026US 2026/0189197 A1Harman International Industries, Incorporated
- Common source and source follower buffer to interface up-converter and driver amplifier25 Jun 2026US 2026/0180529 A1QUALCOMM Incorporated
- Adaptive equalizer circuit and operation method thereof23 Apr 2026US 2026/0113011 A1ASMedia Technology Inc.
Most cited
By later US patents
- Low-noise amplifier, receiver, method and computer program106US 9,281,785 B2Telefonaktiebolaget'l M Ericsson (Publ) · 2016
- Continuous time programmable analog block architecture99US 5,574,678 ALattice Semiconductor Corporation · 1996
- Symmetric is linear equalization circuit with increased gain87US 9,148,087 B1Kandou Labs, S.A. · 2015
- High-speed differential to single-ended converter86US 6,717,474 B2Integrated Programmable Communications, Inc. · 2004
- Method and apparatus for compensation of second order distortion60US 6,633,447 B2Infineon Technologies AG · 2003