Masao Kumagai

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Furukawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head assembly for double-sided disk drive apparatus
- Patent number 4,835,642
- Issue date May 30, 1989
- Alps Electric Co., Ltd.
- Masatoshi Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head assembly in floppy disk drive
- Patent number 4,764,830
- Issue date Aug 16, 1988
- Alps Electric Co., Ltd.
- Kazuo Kobayashi
- G11 - INFORMATION STORAGE