H03F 3/3044
Junction fet sepp output stages
Official title: {Junction FET SEPP output stages (H03F3/3008 takes precedence)}
H03F3/3044 (Junction fet sepp output stages) appears on 45 US grants and 11 published applications in this corpus.
Search patents in H03F- Granted patents
- 45
- Published applications
- 11
- Assignees
- 30
- Inventors
- 74
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- High-speed, high-power operational amplifier and linear amplitude modulator9 Dec 2025US 12,494,752 B2Eridan Communications d.o.o.
- Automatic gain control to optimize receiver performance in presence of jammer signals27 Oct 2020US 10,819,302 B1NXP B. V.
- Current-mode feedback source follower with enhanced linearity3 Sep 2019US 10,404,265 B1Xilinx, Inc.
- Doherty amplifier22 Jan 2019US 10,187,015 B2Sumitomo Electric Device Innovations, Inc.
- Apparatus and method for amplifying a radio-frequency signal6 Feb 2018US 9,885,765 B2Koninklijke Philips N. V.
- High-Speed, High-Power Operational Amplifier and Linear Amplitude Modulator2 Jan 2025US 2025/0007471 A1Eridan Communications, Inc.
- Wireless electric field power transfer system, method, transmitter and receiver therefor30 May 2019US 2019/0165612 A1Solace Power Inc.
- Doherty amplifier31 May 2018US 2018/0152149 A1Sumitomo Electric Device Innovations, Inc.
- Wireless electric field power transfer system, method, transmitter and receiver therefor20 Jul 2017US 2017/0207665 A1Solace Power Inc.
- Apparatus and method for amplifying a radio-frequency signal12 Feb 2015US 2015/0042340 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Apparatus and method for muting an output signal in a switching amplifier34US 4,673,889 ASGS Microelettronica S.p.A. · 1987
- Wireless resonant electric field power transfer system and method using high Q-factor coils31US 9,653,948 B2Solace Power Inc. · 2017
- Audio power amplifier29US 4,241,313 ANippon Gakki Seizo Kabushiki Kaisha · 1980
- Field effect transistor amplifier25US 4,021,751 ASony Corporation · 1977
- High-speed full differential amplifier with common mode rejection25US 4,667,165 AAdvanced Micro Devices, Inc. · 1987