H03G 3/3063
Using at least one transistor as controlling device, the transistor being used
Official title: {using at least one transistor as controlling device, the transistor being used as a variable impedance device}
H03G3/3063 (Using at least one transistor as controlling device, the transistor being used) appears on 62 US grants and 50 published applications in this corpus.
Search patents in H03G- Granted patents
- 62
- Published applications
- 50
- Assignees
- 43
- Inventors
- 97
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 4 | 9 |
| 2019 | 8 | 3 |
| 2020 | 4 | 7 |
| 2021 | 5 | 4 |
| 2022 | 6 | 4 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stacked digital current steering automatic gain control attenuator14 Apr 2026US 12,603,625 B2Motorola Solutions, Inc.
- Methods related to amplification of radio-frequency signals10 Mar 2026US 12,573,994 B2Skyworks Solutions, Inc.
- Amplifier with low-gain architecture for mmWave radio frequency (RF) signals21 Oct 2025US 12,451,848 B2QUALCOMM Incorporated
- Attenuators having phase shift and gain compensation circuits25 Feb 2025US 12,237,820 B2Skyworks Solutions, Inc.
- Amplifying device3 Dec 2024US 12,160,202 B2Sumitomo Electric Industries, Ltd.
- Variable gain amplifier26 Mar 2026US 2026/0088789 A1Infineon Technologies AG
- Amplifier with low-gain architecture for mmwave radio frequency (rf) signals5 Feb 2026US 2026/0039258 A1QUALCOMM Incorporated
- Attenuators for radio-frequency applications22 May 2025US 2025/0167767 A1Skyworks Solutions, Inc.
- Stacked digital current steering automatic gain control attenuator4 Jul 2024US 2024/0223147 A1Motorola Solutions, Inc.
- Amplifier with low-gain architecture for mmwave radio frequency (rf) signals26 Oct 2023US 2023/0344390 A1QUALCOMM Incorporated
Most cited
By later US patents
- Amplifier stage with dB-linear output voltage24US 5,874,857 ADeutsche Thomson-Brandt GmbH · 1999
- Automatic overload protection system16US 4,158,814 AGeneral Research of Electronics, Inc. · 1979
- Radio-frequency transceiver front-end circuit13US 10,291,282 B1National Chi Nan University · 2019
- Radio receiver with logarithmic signal strength detector11US 4,580,287 ASprague Electric Company · 1986
- Bipolar AGC with RF transistor DC bias point stabilization11US 4,590,613 ARCA Corporation · 1986