Kazumasa Iida

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxide magnetic material, ferrite particles, bonded magnet, sintered...
- Patent number 6,402,980
- Issue date Jun 11, 2002
- TDK Corporation
- Hitoshi Taguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magnet powder, sintered magnet, process for producing them, bonded...
- Patent number 6,258,290
- Issue date Jul 10, 2001
- TDK Corporation
- Hitoshi Taguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hexagonal ferrite magnets
- Patent number 6,248,253
- Issue date Jun 19, 2001
- TDK Corporation
- Hitoshi Taguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide magnetic material, ferrite particle, sintered magnet, bonded...
- Patent number 6,139,766
- Issue date Oct 31, 2000
- TDK Corporation
- Hitoshi Taguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magnet powder, sintered magnet, process for producing them, bonded...
- Patent number 6,086,781
- Issue date Jul 11, 2000
- TDK Corporation
- Hitoshi Taguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preparation of oxide magnetic material
- Patent number 5,951,937
- Issue date Sep 14, 1999
- TDK Corporation
- Hitoshi Taguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES