| 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 |
| 2022/0406,499 | INDIUM CONTAINING MAGNETIC GARNET MATERIALS | May 24, 22 | Dec 22, 22 | 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. |
| 2021/0354,996 | METHOD OF RAPID TREATMENT OF HEAVY METAL SLUDGE AND PREPARATION OF FERRITE MAGNETS | May 06, 21 | Nov 18, 21 | KUN SHAN UNIVERSITY OF TECHNOLOGY |
| 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 |
| 2020/0211,743 | SINTERED FERRITE MAGNET | May 17, 18 | Jul 02, 20 | Hitachi Metals LTD |
| 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 |
| 2019/0074,720 | Primary Coil Unit | Sep 28, 18 | Mar 07, 19 | Not available |
| 2018/0330,854 | INDIUM CONTAINING MAGNETIC GARNET MATERIALS | May 07, 18 | Nov 15, 18 | Not available |
| 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 |
| 2016/0284,453 | FERRITE CERAMICS, FERRITE SINTERED PLATE AND FERRITE SINTERED SHEET | Oct 30, 14 | Sep 29, 16 | TODA KOGYO CORPORATION |
| 2016/0133,366 | MAGNETIC RUBBER COMPOSITION, MAGNETIC RUBBER MOLDED ARTICLE OBTAINED BY CROSSLINKING THE SAME, AND MAGNETIC ENCODER | Mar 03, 15 | May 12, 16 | UCHIYAMA MANUFACTURING CORP. |