Shyoichi Miyazawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk recording apparatus with adaptive window adjusting
- Patent number 5,559,645
- Issue date Sep 24, 1996
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data separator and signal processing circuit with an adjustable window
- Patent number 5,402,274
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data separator and signal processing circuit
- Patent number 5,187,615
- Issue date Feb 16, 1993
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Address mark generating method and its circuit in a data memory
- Patent number 5,062,011
- Issue date Oct 29, 1991
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus
- Patent number 4,809,091
- Issue date Feb 28, 1989
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Input/output control device with memory device for storing variable...
- Patent number 4,523,276
- Issue date Jun 11, 1985
- Hitachi, Ltd.
- Hideo Maejima
- G06 - COMPUTING CALCULATING COUNTING