H03F 3/45659
Controlling the loading circuit of the differential amplifier
Official title: {Controlling the loading circuit of the differential amplifier}
H03F3/45659 (Controlling the loading circuit of the differential amplifier) appears on 306 US grants and 216 published applications in this corpus.
Search patents in H03F- Granted patents
- 306
- Published applications
- 216
- Assignees
- 168
- Inventors
- 560
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
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| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 12 | 15 |
| 2003 | 16 | 9 |
| 2004 | 11 | 2 |
| 2005 | 5 | 12 |
| 2006 | 13 | 12 |
| 2007 | 7 | 6 |
| 2008 | 12 | 15 |
| 2009 | 9 | 9 |
| 2010 | 11 | 6 |
| 2011 | 13 | 8 |
| 2012 | 7 | 7 |
| 2013 | 7 | 8 |
| 2014 | 9 | 3 |
| 2015 | 2 | 3 |
| 2016 | 8 | 9 |
| 2017 | 11 | 7 |
| 2018 | 10 | 10 |
| 2019 | 11 | 11 |
| 2020 | 12 | 11 |
| 2021 | 7 | 12 |
| 2022 | 17 | 9 |
| 2023 | 10 | 11 |
| 2024 | 3 | 7 |
| 2025 | 5 | 3 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Balanced differential amplifier having common mode feedback with kick-start47US 6,265,941 B1Agere Systems Guardian Corp. · 2001