Hiroyuki Suzukawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disc drive apparatus with servo tracks offset from data tracks
- Patent number 5,235,478
- Issue date Aug 10, 1993
- Sony Corporation
- Susumu Hoshimi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 4,901,178
- Issue date Feb 13, 1990
- Sony Corporation
- Tomio Kobayashi
- G11 - INFORMATION STORAGE