H03F 3/301
Cmos common drain output sepp amplifiers
Official title: {CMOS common drain output SEPP amplifiers (H03F3/3008 takes precedence)}
H03F3/301 (Cmos common drain output sepp amplifiers) appears on 139 US grants and 117 published applications in this corpus.
Search patents in H03F- Granted patents
- 139
- Published applications
- 117
- Assignees
- 101
- Inventors
- 259
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 4 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 5 |
| 2009 | 7 | 8 |
| 2010 | 6 | 2 |
| 2011 | 5 | 3 |
| 2012 | 5 | 2 |
| 2013 | 1 | 6 |
| 2014 | 8 | 7 |
| 2015 | 4 | 6 |
| 2016 | 10 | 4 |
| 2017 | 6 | 12 |
| 2018 | 6 | 1 |
| 2019 | 8 | 7 |
| 2020 | 8 | 10 |
| 2021 | 8 | 5 |
| 2022 | 4 | 6 |
| 2023 | 6 | 7 |
| 2024 | 3 | 5 |
| 2025 | 7 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amplifier circuit and composite circuit20 Jan 2026US 12,531,530 B2Mitsubishi Electric Corporation
- Capacitor weighted segmentation buffer16 Sep 2025US 12,418,297 B2Mediatek Inc.
- High-efficiency amplifier architecture with de-gain stage19 Aug 2025US 12,395,136 B2Mediatek Inc.
- Voltage follower circuit15 Apr 2025US 12,278,604 B2Ablic Inc.
- Voltage ripple reduction in a power management circuit8 Apr 2025US 12,273,081 B2Qorvo US, Inc.
- Amplifier circuit and mass spectrometer including same25 Jun 2026US 2026/0180524 A1Hitachi High-Tech Corporation
- Driver circuit18 Jun 2026US 2026/0171988 A1Nippon Telegraph and Telephone Corporation
- Adaptive bias control of cascode drivers in envelope tracking power amplifier devices, systems, and methods26 Mar 2026US 2026/0088780 A1pSemi Corporation
- Voltage ripple reduction in a power management circuit12 Jun 2025US 2025/0192738 A1Qorvo US, Inc.
- Ultra wideband (uwb) transmitter and receiver circuits8 May 2025US 2025/0149136 A1
Most cited
By later US patents
- Push pull buffer with noise cancelling symmetry105US 5,513,389 AMotorola, Inc. · 1996
- Complementary push-pull CMOS source follower analog video buffer29US 5,959,475 AXerox Corporation · 1999
- Overload recovery circuit and method29US 6,317,000 B1Texas Instruments Incorporated · 2001
- Ultra low power high-performance amplifier28US 10,177,713 B12019
- Amplifier27US 7,030,699 B2Wolfson Microelectronics plc · 2006