Assignee
YANTAI ZHENGHAI MAGNETIC MAT CO LTD
CN·3 granted patents·18 pending applications·3 citations·filing 2014–2023
Top patents by PatentIndex Score
21 records- 0168US9623482B2Method for preparing R-Fe-B based sintered magnetYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2014·Granted Apr 18, 2017·1 cites·14 claims
- 0263US2024101836A1Expanded coating, preparation method and use thereof, and permanent magnet comprising sameYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 0363US2024212897A1Permanent magnet material having multilayer structure, preparation method therefor and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 0460US2024194380A1R-t-b based permanent magnet material, preparation method therefor and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 0559US9901984B2Method for preparing R-Fe-B based sintered magnetYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2014·Granted Feb 27, 2018·2 cites·3 claims
- 0659US2024191049A1Composition of heat-expandable microspheres and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 0758US2024274333A1Low-cost high-coercivity lace-rich neodymium-iron-boron permanent magnet, and preparation method therefor and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 0858US2025075295A1High-performance sintered neodymium-iron-boron magnet and preparation method thereforYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 0956US2024194379A1R-t-b based permanent magnet material, preparation method therefor and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 1056US2024412903A1High-coercivity nd-fe-b series sintered magnet and preparation method and application thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 1156US2024013958A1Rare earth permanent magnet, preparation method and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 1255US2024331898A1Corrosion-resistant and high-performance sintered neodymium-iron-boron magnet, preparation method, and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 1354US2024321489A1R-fe-b sintered magnet, preparation method and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 1454US2025166875A1Large sintered r-fe-b magnet, preparation method and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2023·Application pending·0 cites
- 1554US2024079180A1Rare earth permanent magnet, and preparation method thereforYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2021·Application pending·0 cites
- 1653US2025006411A1High-remanence neodymium-iron-boron magnet, and preparation method and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 1753US2023207165A1Neodymium-iron-boron magnet, preparation method and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2021·Application pending·0 cites
- 1852US2025069784A1Neodymium-iron-boron magnet as well as preparation method therefor and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 1952US2025095915A1High-coercivity neodymium-cerium-iron-boron permanent magnet as well as preparation method therefor and use thereofYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2022·Application pending·0 cites
- 2039US10748706B2Method for producing sintered R-iron-boron magnetYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2017·Granted Aug 18, 2020·0 cites·6 claims
- 2137US2018061540A1Method for producing a sintered r-iron-boron magnetYANTAI ZHENGHAI MAGNETIC MAT CO LTD·Filed 2017·Application pending·0 cites
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