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US 12,544,831 B2Granted
Dust core
AssigneeKabushiki Kaisha Toyota Jidoshokki
InventorsRie Taguchi, Kunio Akedo, Takanori Murasaki, Takahiro Okazaki
Life of this patent
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Abstract
A dust core contains magnetic nanoparticles whose average particle size is 1 to 300 nm, and an aromatic compound that includes two or more functional groups of at least one type selected from a group consisting of a carboxy group and a hydroxy group.
Claims8
A dust core, comprising:
- magnetic nanoparticles whose average particle size is 1 to 300 nm;
- and
- 3, 4, 5-trihydroxybenzoic acid.
Dependencies are inferred from the claim text.