H03F 1/3258
Based on polynomial terms
Official title: {based on polynomial terms}
H03F1/3258 (Based on polynomial terms) appears on 437 US grants and 432 published applications in this corpus.
Search patents in H03F- Granted patents
- 437
- Published applications
- 432
- Assignees
- 178
- Inventors
- 732
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 9 | 8 |
| 2003 | 7 | 8 |
| 2004 | 8 | 14 |
| 2005 | 7 | 17 |
| 2006 | 12 | 10 |
| 2007 | 13 | 9 |
| 2008 | 11 | 11 |
| 2009 | 9 | 6 |
| 2010 | 11 | 13 |
| 2011 | 12 | 18 |
| 2012 | 15 | 19 |
| 2013 | 29 | 33 |
| 2014 | 28 | 30 |
| 2015 | 33 | 28 |
| 2016 | 26 | 17 |
| 2017 | 31 | 21 |
| 2018 | 17 | 15 |
| 2019 | 23 | 11 |
| 2020 | 13 | 18 |
| 2021 | 13 | 12 |
| 2022 | 15 | 26 |
| 2023 | 19 | 20 |
| 2024 | 17 | 21 |
| 2025 | 20 | 26 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for digital predistortion initialization of high-power amplifiers29 Sep 2026US 12,750,013 B2L3Harris Technologies, Inc.
- Multiband digital predistortion for broadband communications4 Aug 2026US 12,700,882 B2Hughes Network Systems, LLC
- Practical predistortion architectures for multiband radios16 Jun 2026US 12,658,859 B2Telefonaktiebolaget LM Ericsson (publ)
- Linearization of a non-linear electronic device26 May 2026US 12,640,689 B2Telefonaktiebolaget LM Ericsson (publ)
- Methods of nonlinearity estimation, reporting, and compensation12 May 2026US 12,627,538 B2Telefonaktiebolaget LM Ericsson (publ)
- Adaptive array radio-frequency amplifiers10 Sep 2026US 2026/0269791 A1Skyworks Solutions, Inc.
- Techniques for multi-head adaptive controller with shared parameters13 Aug 2026US 2026/0238167 A1Apple Inc.
- Dual memory digital predistortion for dual chain doherty power amplifier13 Aug 2026US 2026/0238239 A1QUALCOMM Incorporated
- Generating digital predistortion models using performance metrics9 Jul 2026US 2026/0196973 A1Telefonaktiebolaget LM Ericsson (publ)
- Pulse cancellation crest factor reduction9 Jul 2026US 2026/0197219 A1NXP USA, Inc.
Most cited
By later US patents
- Distortion compensation apparatus and distortion compensation method358US 9,397,619 B2Fujitsu Limited · 2016
- Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier114US 5,760,646 ASpectrian Corporation · 1998
- Adaptive digital pre-distortion using amplifier model that incorporates frequency-dependent non-linearities106US 6,801,086 B1Andrew Corporation · 2004
- Predistorter for high frequency optical communications devices101US 5,424,680 AHarmonic Lightwaves, Inc. · 1995
- Predistorter96US 6,437,644 B1Wireless Systems International Limited · 2002