H03F 7/00
Parametric amplifiers
H03F7/00 (Parametric amplifiers) appears on 94 US grants and 86 published applications in this corpus.
Search patents in H03F- Granted patents
- 94
- Published applications
- 86
- Assignees
- 65
- Inventors
- 168
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 6 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 5 | 2 |
| 2014 | 4 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 5 |
| 2018 | 3 | 7 |
| 2019 | 10 | 6 |
| 2020 | 4 | 3 |
| 2021 | 1 | 6 |
| 2022 | 4 | 9 |
| 2023 | 3 | 3 |
| 2024 | 7 | 9 |
| 2025 | 5 | 5 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Parametric amplifiers with inductive input coupling for quantum computing systems18 Aug 2026US 12,711,413 B2Google Inc.
- Superconducting impedance matched parametric amplifier11 Aug 2026US 12,704,534 B2Tencent Technology (Shenzhen) Company Limited
- Qubit readout pump suppression method11 Aug 2026US 12,705,523 B2Millimeter Wave Systems, LLC
- Communication method, apparatus, and system11 Aug 2026US 12,706,786 B2Huawei Technologies Co., Ltd.
- Cryogenic parametric amplifier control apparatus21 Jul 2026US 12,689,344 B2Millimeter Wave Systems, LLC
- Kinetic inductance travelling-wave parametric amplifier (ktwpa) with vacuum gap1 Oct 2026US 2026/0303045 A1Microsoft Technology Licensing, LLC
- Packaging of kinetic inductance travelling-wave parametric amplifier (ktwpa) device1 Oct 2026US 2026/0303046 A1Microsoft Technology Licensing, LLC
- Superconducting quantum circuit element and superconducting quantum computer23 Jul 2026US 2026/0213749 A1Tohoku University
- Superconducting traveling-wave parametric amplifier18 Jun 2026US 2026/0171993 A1SeeQC, Inc.
- Apparatus, arrangement and method for electromagnetic isolation for quantum computing circuit28 May 2026US 2026/0149438 A1IQM Finland Oy
Most cited
By later US patents
- Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same67US 5,841,611 AMatsushita Electric Industrial Co., Ltd. · 1998
- Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same42US 6,111,782 AMatsushita Electric Industrial Co., Ltd. · 2000
- Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same40US 6,005,798 AMatsushita Electric Industrial Co., Ltd. · 1999
- Quantum limited josephson amplifier with spatial separation between spectrally degenerate signal and idler modes40US 9,806,711 B1International Business Machines Corporation · 2017
- Dispersion-engineered traveling wave kinetic inductance parametric amplifier26US 8,878,626 B2California Institute of Technology · 2014