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US Patent 11791093 Rare earth permanent magnets and their preparation

Overview Structured Data Issues Contributors Activity

Is a

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Patent Inventor Names

Takehisa Minowa

Hiroaki Nagata

Tadao Nomura

Date of Patent

October 17, 2023

Patent Application Number

16801828

Date Filed

February 26, 2020

Patent Citations

US Patent 7985303 Rare earth permanent magnet and its preparation

US Patent 8025744 Rare earth permanent magnet and its preparation

US Patent 8252123 Rare earth permanent magnet and its preparation

US Patent 8557057 Rare earth permanent magnet and its preparation

US Patent 8277578 Rare earth permanent magnet and its preparation

US Patent 9044810 Rare earth magnet and its preparation

US Patent 7402226 Minute high-performance rare earth magnet for micromini product and process for producing the same

US Patent 7824506 Nd-Fe-B magnet with modified grain boundary and process for producing the same

Patent Primary Examiner

Patent abstract

A sintered magnet body (R

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