H01P 1/365
Resonance absorption isolators
H01P1/365 (Resonance absorption isolators) appears on 35 US grants and 28 published applications in this corpus.
Search patents in H01P- Granted patents
- 35
- Published applications
- 28
- Assignees
- 16
- Inventors
- 53
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 4 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 4 |
| 2016 | 0 | 2 |
| 2017 | 4 | 1 |
| 2018 | 3 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 4 |
| 2023 | 4 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Standard rectangular waveguide with RF port input transition27 Jan 2026US 12,535,513 B2Korea Institute of Fusion Energy
- Fabrication of superconducting devices that control direct currents and microwave signals19 Nov 2024US 12,148,974 B2International Business Machines Corporation
- Device and related method for providing unidirectional microwave propagation2 Apr 2024US 11,946,878 B2University of Manitoba
- Printed-circuit isolation barrier for co-site interference mitigation5 Mar 2024US 11,924,963 B2Raytheon Company
- Non-reciprocal microwave window14 Nov 2023US 11,817,612 B2The Board of Trustees of the Leland Stanford Junior University
- Nonreciprocal circuit element2 Jan 2025US 2025/0007142 A1Kyosan Electric Mfg. Co., Ltd.
- Standard rectangular waveguide with rf port input transition26 Sep 2024US 2024/0319244 A1Korea Institute of Fusion Energy
- Printed-circuit isolation barrier for co-site interference mitigation3 Aug 2023US 2023/0247757 A1Raytheon Company
- Fabrication of superconducting devices that control direct currents and microwave signals21 Jul 2022US 2022/0232710 A1International Business Machines Corporation
- Wilkinson power combiner, communication unit and method therefor16 Jun 2022US 2022/0190459 A1NXP B.V.
Most cited
By later US patents
- Electrosurgical apparatus129US 10,080,609 B2Creo Medical Limited · 2018
- Multilayer metamaterial isolator10US 7,773,033 B2Raytheon Company · 2010
- Microstrip resonance isolator9US 4,806,886 AThe United States of America as represented by the Secretary of the Army · 1989
- Multilayer metamaterial isolator9US 8,193,973 B2Raytheon Company · 2012
- Compact microwave isolator8US 4,286,135 ARaytheon Company · 1981