Akio Takatsuka

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk apparatus
- Patent number 5,953,178
- Issue date Sep 14, 1999
- Hitachi, Ltd.
- Akio Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle unit having pre-load mechanism
- Patent number 5,463,511
- Issue date Oct 31, 1995
- Hitachi, Ltd.
- Masaaki Nakano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk unit and manufacturing method of carriage structure t...
- Patent number 5,301,078
- Issue date Apr 5, 1994
- Hitachi, Ltd.
- Toshiaki Makino
- G11 - INFORMATION STORAGE
Information Patent Grant
Head arm structure mounting a circuit element in a magnetic disc de...
- Patent number 5,014,145
- Issue date May 7, 1991
- Hitachi, Ltd.
- Haruhiko Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head mounting arm having asymmetrical configuration
- Patent number 5,014,146
- Issue date May 7, 1991
- Hitachi, Ltd.
- Akio Takatsuka
- G11 - INFORMATION STORAGE