Toshihiro Hamabata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing magnetic powder having high coercive force
- Patent number 4,321,302
- Issue date Mar 23, 1982
- TDK Electronics Co., Ltd.
- Shinji Umeki
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing acicular goethite
- Patent number 4,255,409
- Issue date Mar 10, 1981
- TDK Electronics Company Limited
- Toshihiro Hamabata
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing acicular goethite
- Patent number 4,251,504
- Issue date Feb 17, 1981
- TDK Electronics, Co. Ltd.
- Toshihiro Hamabata
- C01 - INORGANIC CHEMISTRY