H03F 2203/45151
At least one resistor being added at the input of a dif
Official title: At least one resistor being added at the input of a dif amp
H03F2203/45151 (At least one resistor being added at the input of a dif) appears on 137 US grants and 139 published applications in this corpus.
Search patents in H03F- Granted patents
- 137
- Published applications
- 139
- Assignees
- 92
- Inventors
- 276
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 6 |
| 2016 | 7 | 10 |
| 2017 | 8 | 5 |
| 2018 | 15 | 27 |
| 2019 | 28 | 32 |
| 2020 | 30 | 19 |
| 2021 | 15 | 9 |
| 2022 | 7 | 3 |
| 2023 | 5 | 3 |
| 2024 | 4 | 6 |
| 2025 | 1 | 2 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Low noise active mixer55US 5,379,457 AHewlett-Packard Company · 1995
- Differential data driver17US 6,069,523 ANortel Networks Limited · 2000
- Amplifier with common mode loop and chop11US 10,396,724 B1Semiconductor Components Industries, LLC · 2019
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