H03D 7/1458
Double balanced arrangements, i.e. where both input signals are differential
Official title: {Double balanced arrangements, i.e. where both input signals are differential}
H03D7/1458 (Double balanced arrangements, i.e. where both input signals are differential) appears on 932 US grants and 820 published applications in this corpus.
Search patents in H03D- Granted patents
- 932
- Published applications
- 820
- Assignees
- 380
- Inventors
- 1,567
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
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| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 21 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 12 |
| 2002 | 24 | 40 |
| 2003 | 24 | 29 |
| 2004 | 22 | 45 |
| 2005 | 29 | 58 |
| 2006 | 50 | 55 |
| 2007 | 28 | 49 |
| 2008 | 40 | 46 |
| 2009 | 52 | 60 |
| 2010 | 49 | 43 |
| 2011 | 39 | 41 |
| 2012 | 51 | 34 |
| 2013 | 55 | 33 |
| 2014 | 45 | 36 |
| 2015 | 32 | 27 |
| 2016 | 36 | 26 |
| 2017 | 29 | 20 |
| 2018 | 15 | 16 |
| 2019 | 24 | 24 |
| 2020 | 31 | 22 |
| 2021 | 26 | 22 |
| 2022 | 26 | 20 |
| 2023 | 19 | 13 |
| 2024 | 15 | 19 |
| 2025 | 16 | 18 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- RF amplifier, RF mixer and RF receiver265US 6,026,286 ACarleton University · 2000
- Power amplification using a direct-upconverting quadrature mixer topology174US 6,307,894 B2Conexant Systems, Inc. · 2001
- Interface between SAW filter and Gilbert cell mixer132US 5,515,014 AAT&T Corp. · 1996
- Image reject mixer, circuit, and method for image rejection131US 6,226,509 B1Nortel Networks Limited · 2001
- I/Q quadraphase modulator circuit126US 5,574,755 APhilips Electronics North America Corporation · 1996