H01F 10/20
Ferrites
H01F10/20 (Ferrites) appears on 235 US grants and 121 published applications in this corpus.
Search patents in H01F- Granted patents
- 235
- Published applications
- 121
- Assignees
- 129
- Inventors
- 508
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 3 |
| 2003 | 4 | 3 |
| 2004 | 3 | 5 |
| 2005 | 2 | 4 |
| 2006 | 3 | 2 |
| 2007 | 5 | 6 |
| 2008 | 3 | 4 |
| 2009 | 3 | 8 |
| 2010 | 3 | 1 |
| 2011 | 5 | 6 |
| 2012 | 6 | 4 |
| 2013 | 2 | 5 |
| 2014 | 5 | 6 |
| 2015 | 0 | 4 |
| 2016 | 6 | 3 |
| 2017 | 2 | 4 |
| 2018 | 2 | 7 |
| 2019 | 2 | 6 |
| 2020 | 6 | 5 |
| 2021 | 4 | 5 |
| 2022 | 6 | 9 |
| 2023 | 4 | 6 |
| 2024 | 6 | 7 |
| 2025 | 7 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and compositions for magnetizable plastics25 Nov 2025US 12,478,979 B2Magnomer, Inc.
- Short-wavelength spin wave transducer30 Sep 2025US 12,431,602 B2University of Notre Dame du Lac
- Magnetic microcapsule, preparation method thereof, and magnetic film22 Jul 2025US 12,367,994 B1My Superboard Limited
- Magnetically anisotropic binder-free films containing discrete hexaferrite nanoplatelets8 Apr 2025US 12,272,475 B2HRL Laboratories, LLC
- Coreless electronic substrates having embedded inductors8 Apr 2025US 12,272,484 B2Intel Corporation
- Wafer-Bonded Inductors for Power Systems23 Apr 2026US 2026/0112531 A1Northeastern University
- Short-wavelength spin wave transducer22 Jan 2026US 2026/0024904 A1University of Notre Dame du Lac
- Magnetic composite3 Jul 2025US 2025/0218631 A1Powdertech Co., Ltd.
- Radio frequency signal correlator utilizing parametric pumping of spin waves12 Jun 2025US 2025/0194429 A1Oregon State University
- Mnznco-based ferrite8 May 2025US 2025/0145533 A1Jfe Chemical Corporation
Most cited
By later US patents
- Spin dependent tunneling memory45US 6,021,065 ANonvolatile Electronics, Incorporated · 2000
- Epitaxial process of forming ferrite, Fe.sub.3 O.sub.4 and .gamma.Fe.sub.2 O.sub.3 thin films on special materials44US 3,996,095 AInternational Business Machines Corporation · 1976
- Self-centering disk having an eccentric elliptical-shaped center locating hole36US 4,091,454 AInternational Business Machines Corporation · 1978
- Hybrid magnetic substrate and method for producing the same34US 6,120,917 AMatsushita Electric Industrial Co., Ltd. · 2000
- Method of manufacturing a magnetic thin film33US 4,717,584 AMatsushita Electric Industrial Co., Ltd. · 1988