Yoshiaki Wakisaka

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Atsugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head tracking control system
- Patent number 4,296,443
- Issue date Oct 20, 1981
- Sony Corporation
- Hitoshi Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head tracking control system
- Patent number 4,287,538
- Issue date Sep 1, 1981
- Sony Corporation
- Hitoshi Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic head tracking system
- Patent number 4,172,265
- Issue date Oct 23, 1979
- Sony Corporation
- Hitoshi Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic head tracking system utilizing transducer deflecting mean...
- Patent number 4,163,994
- Issue date Aug 7, 1979
- Sony Corporation
- Hitoshi Sakamoto
- G11 - INFORMATION STORAGE