| 2024/0331,903 | HETEROGENEOUS CORE-TYPE MAGNETIC COUPLING DEVICE | Jun 29, 22 | Oct 03, 24 | Not available |
| 2024/0177,896 | FERRITE SINTERED MAGNET AND MANUFACTURING METHOD THEREFOR | Mar 24, 22 | May 30, 24 | 501 TDK Corporation |
| 2024/0076,764 | IRON NITRIDE COMPOSITIONS | Nov 10, 23 | Mar 07, 24 | Not available |
| 2024/0033,979 | FERRITE PARTICLES FOR BONDED MAGNETS, RESIN COMPOSITION FOR BONDED MAGNETS, AND MOLDED PRODUCT USING THE SAME | Oct 13, 23 | Feb 01, 24 | Not available |
| 2023/0377,784 | Enhanced Magnetic Properties Through Alignment of Non-Magnetic Constituents | Oct 13, 21 | Nov 23, 23 | Not available |
| 2023/0290,547 | FERRITE SINTERED MAGNET, FERRITE PARTICLES, BONDED MAGNET, MOTOR, AND GENERATOR | May 19, 23 | Sep 14, 23 | TDK Corporation |
| 2022/0406,500 | CO-SHELLING OF MAGNETIC NANOPARTICLES AND QUANTUM DOTS WITH OXIDE MATERIAL | Jun 17, 21 | Dec 22, 22 | Not available |
| 2022/0375,663 | IRON-BASED OXIDE MAGNETIC POWDER AND METHOD FOR PRODUCING SAME | Sep 29, 20 | Nov 24, 22 | Not available |
| 2022/0246,338 | CALCINED FERRITE, AND SINTERED FERRITE MAGNET AND ITS PRODUCTION METHOD | Apr 20, 22 | Aug 04, 22 | Hitachi Metals LTD |
| 2022/0157,498 | FERRITE SINTERED MAGNET, FERRITE PARTICLES, BONDED MAGNET, AND ROTATING ELECTRICAL MACHINE | Mar 27, 20 | May 19, 22 | TDK Corporation |
| 2022/0005,634 | MAGNETIC POWDER, MANUFACTURING METHOD OF MAGNETIC POWDER, AND MAGNETIC RECORDING MEDIUM | Sep 13, 21 | Jan 06, 22 | FUJIFILM Corporation |
| 2021/0323,873 | COMPOSITE HEXAGONAL FERRITE MATERIALS | Mar 31, 21 | Oct 21, 21 | Not available |
| 2021/0304,930 | CALCINED FERRITE, AND SINTERED FERRITE MAGNET AND ITS PRODUCTION METHOD | Feb 09, 21 | Sep 30, 21 | Hitachi Metals LTD |
| 2021/0241,950 | IRON OXIDE MAGNETIC POWDER AND MANUFACTURING METHOD THEREFOR | Jul 17, 19 | Aug 05, 21 | Not available |
| 2021/0090,768 | FERRITE SINTERED MAGNET | Sep 21, 20 | Mar 25, 21 | TDK Corporation |
| 2021/0035,717 | FERRITE CORE AND COIL COMPONENT COMPRISING SAME | Jan 28, 19 | Feb 04, 21 | Not available |
| 2020/0312,494 | FERRITE SINTERED MAGNET AND ROTARY ELECTRICAL MACHINE COMPRISING THE SAME | Mar 20, 20 | Oct 01, 20 | TDK Corporation |
| 2020/0312,493 | FERRITE SINTERED MAGNET AND ROTATING ELECTRIC MACHINE COMPRISING THE SAME | Mar 19, 20 | Oct 01, 20 | TDK Corporation |
| 2020/0312,495 | FERRITE SINTERED MAGNET AND ROTATING ELECTRIC MACHINE COMPRISING THE SAME | Mar 20, 20 | Oct 01, 20 | TDK Corporation |
| 2020/0312,496 | FERRITE SINTERED MAGNET AND ROTARY ELECTRICAL MACHINE COMPRISING THE SAME | Mar 23, 20 | Oct 01, 20 | TDK Corporation |