H01F 1/348
Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the
Official title: {Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure}
H01F1/348 (Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the) appears on 87 US grants and 122 published applications in this corpus.
Search patents in H01F- Granted patents
- 87
- Published applications
- 122
- Assignees
- 43
- Inventors
- 174
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 2 |
| 2003 | 3 | 8 |
| 2004 | 5 | 4 |
| 2005 | 2 | 2 |
| 2006 | 3 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 5 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 2 | 8 |
| 2017 | 4 | 5 |
| 2018 | 6 | 5 |
| 2019 | 3 | 7 |
| 2020 | 3 | 3 |
| 2021 | 7 | 18 |
| 2022 | 5 | 18 |
| 2023 | 10 | 13 |
| 2024 | 10 | 5 |
| 2025 | 13 | 4 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Radio wave absorber and radio wave absorbing composition15 Sep 2026US 12,738,665 B2FUJIFILM Corporation
- Magnetic powder for magnetic recording medium, and production method thereof25 Aug 2026US 12,718,974 B2Dowa Electronics Materials Co., Ltd.
- Structure, method for manufacturing structure, and composition21 Oct 2025US 12,452,994 B2FUJIFILM Corporation
- M-type hexaferrite having a planar anisotropy23 Sep 2025US 12,424,362 B2Rogers Corporation
- Radio wave absorbing composition and radio wave absorber23 Sep 2025US 12,426,224 B2FUJIFILM Corporation
- Article comprising radio wave absorber and radio wave absorber27 Aug 2026US 2026/0254127 A1FUJIFILM Corporation
- Pellet mixture, radio wave absorber, radio wave absorbing article, and method for producing radio wave absorber15 Jan 2026US 2026/0018323 A1FUJIFILM Corporation
- Electric-wave absorber and electric-wave absorbing device23 Oct 2025US 2025/0331141 A1Maxell, Ltd.
- Method for manufacturing radio wave absorber, radio wave absorber, and radio wave absorbing article22 May 2025US 2025/0167441 A1FUJIFILM Corporation
- Ferrite particle powder for electromagnetic wave absorption, method for manufacturing same, and resin composition using said ferrite particle powder for electromagnetic wave absorption10 Apr 2025US 2025/0118471 A1Toda Kogyo Corporation
Most cited
By later US patents
- Enhanced hexagonal ferrite material and methods of preparation thereof21US 8,758,721 B2Skyworks Solutions, Inc. · 2014
- Composite magnetic material and a method for producing the same17US 6,893,581 B2Sanyo Electric Co., Ltd. · 2005
- Enhanced hexagonal ferrite material and methods of preparation and use thereof16US 8,524,190 B2Skyworks Solutions, Inc. · 2013
- Magneto-dielectric substrate, circuit material, and assembly having the same16US 9,596,755 B2Rogers Corporation · 2017
- Increased resonant frequency alkali-doped Y-phase hexagonal ferrites14US 10,032,547 B2Skyworks Solutions, Inc. · 2018