H03F 7/02
Parametric amplifiers: using variable-inductance element
Official title: using variable-inductance element; using variable-permeability element
H03F7/02 (Parametric amplifiers: using variable-inductance element) appears on 19 US grants and 18 published applications in this corpus.
Search patents in H03F- Granted patents
- 19
- Published applications
- 18
- Assignees
- 17
- Inventors
- 42
- 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 | 0 | 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 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Parametric amplifiers with inductive input coupling for quantum computing systems18 Aug 2026US 12,711,413 B2Google Inc.
- Superconducting traveling-wave parametric amplifier16 Dec 2025US 12,500,563 B2SeeQC, Inc.
- Traveling wave kinetic inductance parametric amplifier9 Dec 2025US 12,494,756 B2Yissum Research Development Company of the Hebrew University of Jerusalem
- Non-linear parametric device including a superconductive millimeter-wave resonator exhibiting non-linear kinetic inductance and method for non-linear wave generation22 Apr 2025US 12,283,740 B2The University of Chicago
- Progressive wave, low characteristic impedance parametric amplifier and manufacturing method thereof12 Nov 2024US 12,143,072 B2Centre National De La Recherche Scientifique
- 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 traveling-wave parametric amplifier18 Jun 2026US 2026/0171993 A1SeeQC, Inc.
- Josephson junction traveling-wave parametric circuits with dispersive sideband suppression7 Aug 2025US 2025/0253818 A1International Business Machines Corporation
- Traveling Wave Kinetic Inductance Parametric Amplifier12 Sep 2024US 2024/0305256 A1Yissum Research Development Company of the Hebrew University of Jerusalem
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
- Dispersion-engineered traveling wave kinetic inductance parametric amplifier26US 8,878,626 B2California Institute of Technology · 2014
- Techniques for producing quantum amplifiers and related systems and methods22US 10,404,214 B2Yale University · 2019