H03F 19/00
Amplifiers using superconductivity effects
H03F19/00 (Amplifiers using superconductivity effects) appears on 125 US grants and 125 published applications in this corpus.
Search patents in H03F- Granted patents
- 125
- Published applications
- 125
- Assignees
- 61
- Inventors
- 207
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 8 |
| 2018 | 8 | 13 |
| 2019 | 16 | 10 |
| 2020 | 12 | 15 |
| 2021 | 12 | 13 |
| 2022 | 13 | 19 |
| 2023 | 11 | 7 |
| 2024 | 10 | 12 |
| 2025 | 15 | 10 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable impedance Josephson junction traveling-wave parametric circuits15 Sep 2026US 12,738,910 B2International Business Machines Corporation
- 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
- Quantum architecture biasing scheme13 Jan 2026US 12,523,718 B2International Business Machines Corporation
- Kinetic inductance travelling-wave parametric amplifier (ktwpa) with vacuum gap1 Oct 2026US 2026/0303045 A1Microsoft Technology Licensing, LLC
- Frequency multiplexer suitable for quantum computing24 Sep 2026US 2026/0289370 A1QET Sweden AB
- Broadband Non-Reciprocal Coupling Between Asymmetric Transmission Lines24 Sep 2026US 2026/0291448 A1Imec Vzw
- 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.
Most cited
By later US patents
- Method and apparatus for Josephson distributed output amplifier110US 7,724,083 B2Northrop Grumman Systems Corporation · 2010
- Superconducting signal amplifier56US 10,396,733 B2Psiquantum, Corp. · 2019
- Superconducting signal amplifier44US 10,897,235 B2Psiquantum, Corp. · 2021
- Radiofrequency amplifier based on a dc superconducting quantum interference device43US 4,585,999 AThe United States of America as represented by the United States Department of Energy · 1986
- Quantum limited josephson amplifier with spatial separation between spectrally degenerate signal and idler modes40US 9,806,711 B1International Business Machines Corporation · 2017