H03F 1/226
With junction-fet's
Official title: {with junction-FET's}
H03F1/226 (With junction-fet's) appears on 82 US grants and 47 published applications in this corpus.
Search patents in H03F- Granted patents
- 82
- Published applications
- 47
- Assignees
- 58
- Inventors
- 148
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 4 |
| 2005 | 4 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 4 | 1 |
| 2016 | 5 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 4 |
| 2019 | 2 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 5 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Potential measuring device21 Apr 2026US 12,607,587 B2Sony Semiconductor Solutions Corporation
- Low noise amplifier and apparatus including the same14 Apr 2026US 12,603,619 B2Samsung Electronics Co., Ltd.
- Circuit10 Feb 2026US 12,549,140 B2NXP B. V.
- Amplifier and method for controlling common mode voltage of the same27 Jan 2026US 12,537,490 B2Realtek Semiconductor Corp.
- Composite cascode power amplifiers for envelope tracking applications18 Feb 2025US 12,231,099 B2Skyworks Solutions, Inc.
- Power amplifier and manufacturing method thereof8 Jan 2026US 2026/0012145 A1Foundation of Soongsil University-Industry Cooperation
- Composite cascode power amplifiers for envelope tracking applications15 May 2025US 2025/0158583 A1Skyworks Solutions, Inc.
- Harmonic control-based class-j distributed power amplifier and optimization method thereof12 Dec 2024US 2024/0413802 A1
- Drain Switched Split Amplifier with Capacitor Switching for Noise Figure and Isolation Improvement in Split Mode6 Jun 2024US 2024/0186958 A1pSemi Corporation
- Composite cascode power amplifiers for envelope tracking applications14 Mar 2024US 2024/0088849 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Multi-cascode transistors68US 6,888,396 B22005
- Multistage cascode radio frequency amplifier65US 5,032,799 AWestinghouse Electric Corp. · 1991
- Cascode circuit employing a depletion-mode, GaN-based FET47US 7,501,670 B2Velox Semiconductor Corporation · 2009
- Feedback cascode amplifier42US 5,015,968 APacific Monolithics · 1991
- High voltage modified cascode circuit36US 5,061,903 AGrumman Aerospace Corporation · 1991