H03F 3/3079
Using parallel power transistors
Official title: {using parallel power transistors}
H03F3/3079 (Using parallel power transistors) appears on 22 US grants and 5 published applications in this corpus.
Search patents in H03F- Granted patents
- 22
- Published applications
- 5
- Assignees
- 12
- Inventors
- 17
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Control of base currents for output driver transistors in amplifiers19 Sep 2023US 11,764,740 B2Texas Instruments Incorporated
- Amplification circuit26 Jan 2016US 9,246,448 B2Sony Corporation
- Output stage and method of enhancing output gain1 Jul 2003US 6,586,998 B2Micrel, Inc.
- Output stage amplifier with compensation circuitry22 Apr 2003US 6,552,613 B2Texas Instruments Tucson Corporation
- Method for bias rail buffering6 Aug 2002US 6,429,744 B2Texas Instruments Incorporated
- Control of base currents for output driver transistors in amplifiers2 Mar 2023US 2023/0069204 A1Texas Instruments Incorporated
- Amplification circuit26 Mar 2015US 2015/0084696 A1Sony Corporation
- Output stage amplifier with compensation circuitry19 Dec 2002US 2002/0190794 A1Texas Instruments Tucson Corporation
- Output stage and method of enhancing output gain5 Sep 2002US 2002/0121934 A1Micrel, Inc.
- Method for bias rail buffering22 Nov 2001US 2001/0043120 A1Texas Instruments Incorporated
Most cited
By later US patents
- Integrated audio amplifier37US 6,166,605 A2000
- Amplifier having a constant-current bias circuit22US 5,049,834 A1991
- Current mirror circuit22US 6,278,326 B1Texas Instruments Tucson Corporation · 2001
- High efficiency power amplifier20US 6,236,273 B1Pairgain Technologies, Inc. · 2001
- Integrated audio amplifier16US 6,373,335 B12002