H03F 1/0277
Selecting one or more amplifiers from a plurality of amplifiers
Official title: {Selecting one or more amplifiers from a plurality of amplifiers}
H03F1/0277 (Selecting one or more amplifiers from a plurality of amplifiers) appears on 1,057 US grants and 1,058 published applications in this corpus.
Search patents in H03F- Granted patents
- 1,057
- Published applications
- 1,058
- Assignees
- 378
- Inventors
- 1,780
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 3 |
| 2002 | 13 | 10 |
| 2003 | 13 | 14 |
| 2004 | 17 | 20 |
| 2005 | 21 | 36 |
| 2006 | 27 | 37 |
| 2007 | 25 | 41 |
| 2008 | 36 | 46 |
| 2009 | 40 | 28 |
| 2010 | 32 | 35 |
| 2011 | 34 | 33 |
| 2012 | 39 | 80 |
| 2013 | 61 | 66 |
| 2014 | 81 | 74 |
| 2015 | 66 | 61 |
| 2016 | 75 | 73 |
| 2017 | 72 | 65 |
| 2018 | 62 | 65 |
| 2019 | 66 | 46 |
| 2020 | 59 | 53 |
| 2021 | 38 | 36 |
| 2022 | 27 | 27 |
| 2023 | 20 | 26 |
| 2024 | 15 | 30 |
| 2025 | 26 | 30 |
| 2026 | 19 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Efficient parallel-stage power amplifier252US 5,872,481 AQUALCOMM Incorporated · 1999
- High-frequency amplifier, transmitting device and receiving device216US 5,903,854 ASony Corporation · 1999
- High power battery powered RF amplifier topology200US 10,159,524 B2Ethicon, Inc. · 2018
- Dual open and closed loop linear transmitter183US 6,606,483 B1Motorola, Inc. · 2003
- Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier176US 6,147,553 AFujant, Inc. · 2000