Kazuhide Aue

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Chiba, JA

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic powder material comprising iron oxide particles with a cop...
- Patent number 4,069,367
- Issue date Jan 17, 1978
- TDK Electronics Company, Limited
- Shinji Umeki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making powdered magnetic iron oxide material
- Patent number 4,067,755
- Issue date Jan 10, 1978
- TDK Electronics Company, Ltd.
- Shinji Umeki
- G11 - INFORMATION STORAGE