Class H01F : MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
Subclass 1/10: Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (thin magnetic films characterised by their composition H01F 10/1) of inorganic materials (H01F 1/44 takes precedence) characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12243668 | Ferrite sintered magnet, ferrite particles, bonded magnet, and rotating electrical machine | Mar 27, 20 | Mar 04, 25 | TDK Corporation |
| 12237105 | Additive manufacturing of permanent magnets with post processing | Dec 10, 21 | Feb 25, 25 | Ford Global Technologies, LLC |
| 12183493 | Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator | May 19, 23 | Dec 31, 24 | TDK Corporation |
| 11976010 | Composite hexagonal ferrite materials | Feb 16, 23 | May 07, 24 | Allumax TTI, LLC |
| 11958778 | Modified barium tungstate for co-firing | Feb 14, 23 | Apr 16, 24 | Allumax TTI, LLC |
| 11961644 | Indium containing magnetic garnet materials | May 24, 22 | Apr 16, 24 | Skyworks Solutions, Inc. |
| 11939663 | Magnetic film and perpendicular magnetic recording medium | Mar 02, 23 | Mar 26, 24 | JX Metals Corporation |
| 11875934 | Iron-rich permanent magnet | May 28, 19 | Jan 16, 24 | Regents of the University of Minnesota |
| 11869689 | Incorporation of oxides into ferrite material for improved radio radiofrequency properties | Mar 08, 21 | Jan 09, 24 | Skyworks Solutions, Inc. |
| 11807117 | Method for the supply of an electrical component with electric power using an inductive charging system having a primary coil unit and a secondary coil unit | Sep 24, 21 | Nov 07, 23 | Bayerische Motoren Werke Aktiengesellschaft |
| 11810699 | Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator | Dec 22, 17 | Nov 07, 23 | TDK Corporation |
| 11776718 | Increased resonant frequency potassium-doped hexagonal ferrite | Sep 23, 21 | Oct 03, 23 | Skyworks Solutions, Inc. |
| 11742118 | Increased resonant frequency alkali-doped Y-phase hexagonal ferrites | Apr 14, 21 | Aug 29, 23 | Skyworks Solutions, Inc. |
| 11688535 | Ferrite sintered magnet, ferrite particle, bonded magnet and rotating electric machine | Mar 20, 20 | Jun 27, 23 | TDK Corporation |
| 11664142 | Ferrite sintered magnet and rotating electric machine | Mar 15, 21 | May 30, 23 | 501 TDK Corporation |
| 11610705 | Ferrite sintered magnet and rotating electric machine comprising the same | Mar 19, 20 | Mar 21, 23 | TDK Corporation |
| 11569013 | Ferrite magnet | May 19, 17 | Jan 31, 23 | 501 TDK Corporation |
| 11557412 | Ferrite sintered magnet and rotating electric machine comprising the same | Mar 20, 20 | Jan 17, 23 | TDK Corporation |
| 11551837 | Magnetodielectric Y-phase strontium hexagonal ferrite materials formed by sodium substitution | Mar 16, 21 | Jan 10, 23 | Skyworks Solutions, Inc. |
| 11532413 | Ferrite sintered magnet and rotary electrical machine comprising the same | Mar 23, 20 | Dec 20, 22 | TDK Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0059,062 | METHOD FOR PREPARING HIGH-PERFORMANCE COMPOSITE FERRITE FOR SELF-BIASED CIRCULATOR | Jun 12, 24 | Feb 20, 25 | China Jiliang University |
| 2024/0112,855 | IRON-RICH PERMANENT MAGNET | Dec 05, 23 | Apr 04, 24 | Not available |
| 2023/0227,964 | Magnetic Film and Perpendicular Magnetic Recording Medium | Mar 02, 23 | Jul 20, 23 | Not available |
| 2022/0367,092 | ANISOTROPIC RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING THE SAME | Apr 29, 22 | Nov 17, 22 | Shin-Etsu Chemical Co. Ltd. |
| 2020/0373,044 | IRON NITRIDE PERMANENT MAGNET AND TECHNIQUE FOR FORMING IRON NITRIDE PERMANENT MAGNET | May 18, 20 | Nov 26, 20 | Not available |
| 2020/0251,262 | FERRITE SINTERED MAGNET | Jan 31, 20 | Aug 06, 20 | TDK Corporation |
| 2019/0304,641 | FERRITE SINTERED MAGNET | Feb 05, 19 | Oct 03, 19 | TDK Corporation |
| 2019/0206,594 | FERRITE MAGNET | May 19, 17 | Jul 04, 19 | 501 TDK Corporation |
| 2018/0315,527 | Magnetic Shielding Unit For Magnetic Security Transmission, Module Comprising Same, And Portable Device Comprising Same | Sep 30, 16 | Nov 01, 18 | AMOSENSE CO., LTD. |
| 2018/0012,690 | OXIDE SUPERCONDUCTING BULK MAGNET | Jan 21, 16 | Jan 11, 18 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 2017/0330,660 | IRON NITRIDE PERMANENT MAGNET AND TECHNIQUE FOR FORMING IRON NITRIDE PERMANENT MAGNET | Jun 14, 17 | Nov 16, 17 | Not available |
| 2016/0343,485 | HARD MAGNETIC COMPOSITIONS FROM IRON OXIDE FINES AND METHODS FOR MAKING SAME | Jan 29, 15 | Nov 24, 16 | SAUDI BASIC INDUSTRIES CORPORATION |
| 2016/0329,138 | OXIDE SUPERCONDUCTING BULK MAGNET | Mar 04, 15 | Nov 10, 16 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 2015/0170,811 | FERRITE MAGNETIC MATERIAL, FERRITE SINTERED MAGNET, AND MOTOR | Aug 01, 13 | Jun 18, 15 | TDK CORPORATION |
| 2015/0089,902 | METHOD OF MAKING A MAGNETIC STRUCTURE | May 15, 13 | Apr 02, 15 | INTERCONTINENTAL GREAT BRANDS LLC |
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