H01P 1/11
By ferromagnetic devices
Official title: by ferromagnetic devices
H01P1/11 (By ferromagnetic devices) appears on 27 US grants and 13 published applications in this corpus.
Search patents in H01P- Granted patents
- 27
- Published applications
- 13
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precision ferrite-based electromagnetic signal circulators for quantum computing systems16 Jun 2026US 12,657,501 B2Google Inc.
- Vertical microstrip-to-waveguide transition1 Apr 2025US 12,265,172 B2Aptiv Technologies AG
- Microwave pulse power switching system for reflective and resonant loads14 May 2024US 11,984,632 B2
- Switchable element28 Feb 2023US 11,594,795 B2Nokia Solutions and Networks Oy
- Liquid crystal-based high-frequency device and high-frequency switch16 Feb 2021US 10,921,654 B2Samsung Electronics Co., Ltd.
- Precision Ferrite-Based Electromagnetic Signal Circulators for Quantum Computing Systems12 Mar 2026US 2026/0073266 A1Google Inc.
- Vertical Microstrip-to-Waveguide Transition30 Nov 2023US 2023/0384414 A1Aptiv Technologies AG
- Microwave pulse power switching system for reflective and resonant loads28 Apr 2022US 2022/0131245 A1
- Switchable element4 Mar 2021US 2021/0063833 A1Nokia Solutions and Networks Oy
- Electronic Rotary Switch23 Jan 2020US 2020/0027676 A1Tektronix, Inc.
Most cited
By later US patents
- Integratable microwave devices based on ferromagnetic films disposed on dielectric substrates35US 4,853,660 ARaytheon Company · 1989
- Reciprocal hybrid mode RF circuit for coupling RF transceiver to an RF radiator23US 5,129,099 AElectromagnetic Sciences, Inc. · 1992
- Ferrite circulators and isolators and circuits incorporating the same18US 4,034,377 AEpsilon Lambda Electronics Corp. · 1977
- Feed waveguide with ferrite rod polarizer and stepped dielectric support for matching13US 5,122,810 ARacal-Mesl Limited · 1992
- High reliability microwave mechanical switch11US 7,843,289 B1Scientific Components Corporation · 2010