H03F 1/3252
Using multiple parallel paths between input and output
Official title: {using multiple parallel paths between input and output (H03F1/3258, H03F1/3282, H03F1/3294 take precedence)}
H03F1/3252 (Using multiple parallel paths between input and output) appears on 185 US grants and 127 published applications in this corpus.
Search patents in H03F- Granted patents
- 185
- Published applications
- 127
- Assignees
- 98
- Inventors
- 344
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 11 | 3 |
| 2002 | 3 | 4 |
| 2003 | 5 | 9 |
| 2004 | 6 | 2 |
| 2005 | 2 | 10 |
| 2006 | 8 | 5 |
| 2007 | 7 | 4 |
| 2008 | 7 | 0 |
| 2009 | 3 | 6 |
| 2010 | 2 | 4 |
| 2011 | 3 | 0 |
| 2012 | 1 | 4 |
| 2013 | 9 | 7 |
| 2014 | 5 | 5 |
| 2015 | 5 | 5 |
| 2016 | 5 | 4 |
| 2017 | 5 | 4 |
| 2018 | 5 | 7 |
| 2019 | 7 | 4 |
| 2020 | 7 | 4 |
| 2021 | 4 | 6 |
| 2022 | 5 | 4 |
| 2023 | 3 | 6 |
| 2024 | 3 | 10 |
| 2025 | 7 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for multiband linearization architecture using kernel regression25 Aug 2026US 12,719,513 B2Telefonaktiebolaget LM Ericsson (publ)
- 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)
- Amplifier unit24 Feb 2026US 12,562,689 B2Murata Manufacturing Co., Ltd.
- Multi-rate multistage digital compensator for nonlinear systems3 Feb 2026US 12,542,518 B2Analog Devices International Unlimited Company
- Distributed power management circuit30 Jul 2026US 2026/0221942 A1Qorvo US, Inc.
- Amplifier device with feedback and feed-forward control30 Apr 2026US 2026/0121592 A1Prodrive Technologies Innovation Services B.V.
- Amplifier device with analog and digital predistortion30 Apr 2026US 2026/0121593 A1Prodrive Technologies Innovation Services B.V.
- Monitoring of inductor behavior2 Apr 2026US 2026/0095129 A1Cirrus Logic International Semiconductor Ltd.
- Reduced complexity frequency selective linearization5 Mar 2026US 2026/0066928 A1
Most cited
By later US patents
- Waste energy control and management in power amplifier368US 5,568,088 AEricsson GE Mobile Communications Inc. · 1996
- Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier176US 6,147,553 AFujant, Inc. · 2000
- Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier131US 5,886,573 AFujant, Inc. · 1999
- Waste energy control and management in power amplifiers128US 5,842,140 AEricsson Inc. · 1998
- Predistorter for linearization of electronic and optical signals120US 5,132,639 AOrtel Corporation · 1992