H03D 7/1441
Using field-effect transistors
Official title: {using field-effect transistors (H03D7/145 takes precedence)}
H03D7/1441 (Using field-effect transistors) appears on 858 US grants and 771 published applications in this corpus.
Search patents in H03D- Granted patents
- 858
- Published applications
- 771
- Assignees
- 338
- Inventors
- 1,462
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 15 | 0 |
| 2000 | 19 | 0 |
| 2001 | 15 | 13 |
| 2002 | 19 | 32 |
| 2003 | 25 | 33 |
| 2004 | 21 | 33 |
| 2005 | 30 | 51 |
| 2006 | 41 | 40 |
| 2007 | 28 | 39 |
| 2008 | 30 | 48 |
| 2009 | 44 | 61 |
| 2010 | 45 | 45 |
| 2011 | 45 | 40 |
| 2012 | 46 | 38 |
| 2013 | 60 | 32 |
| 2014 | 45 | 36 |
| 2015 | 33 | 27 |
| 2016 | 43 | 27 |
| 2017 | 24 | 24 |
| 2018 | 18 | 18 |
| 2019 | 23 | 18 |
| 2020 | 23 | 16 |
| 2021 | 24 | 23 |
| 2022 | 19 | 18 |
| 2023 | 16 | 11 |
| 2024 | 17 | 21 |
| 2025 | 16 | 18 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Mixer circuit25 Aug 2026US 12,719,519 B2NTT, Inc.
- Transconductor with adaptive bias offset cancellation18 Aug 2026US 12,712,582 B2Renesas Electronics America Inc.
- Phased array apparatus and communication device16 Jun 2026US 12,658,577 B2Huawei Technologies Co., Ltd.
- Ultra-wideband up-conversion N-path mixer with bandpass rejection of odd harmonic frequencies9 Jun 2026US 12,652,069 B1HRL Laboratories, LLC
- Mixer with bias sharing9 Jul 2026US 2026/0197022 A1QUALCOMM Incorporated
- Operating method for radio frequency (rf) circuit including mixer configured for independent second order intercept point (ip2) calibration18 Jun 2026US 2026/0171970 A1GLOBALFOUNDRIES U. S. Inc.
- Active frequency mixer and frequency mixing method with improved gain and noise30 Apr 2026US 2026/0121581 A1The Industry & Academic Cooperation in Chungnam National University (IAC)
- Iq passive mixer with enhanced conversion gain5 Mar 2026US 2026/0066926 A1STMicroelectronics International N. V.
- Oscillator Feedthrough Mitigation for Multiple Mixers19 Feb 2026US 2026/0051850 A1Apple Inc.
Most cited
By later US patents
- RF amplifier, RF mixer and RF receiver265US 6,026,286 ACarleton University · 2000
- Method and system for down-converting electromagnetic signals185US 6,061,551 AParkerVision, Inc. · 2000
- Power amplification using a direct-upconverting quadrature mixer topology174US 6,307,894 B2Conexant Systems, Inc. · 2001
- Narrowband LC folded cascode structure126US 6,094,084 ANortel Networks Limited · 2000
- Transit mixer with current mode input122US 5,642,071 AAlcatel · 1997