Masumi Kaneko

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Compact sound record playing apparatus
- Patent number 5,247,511
- Issue date Sep 21, 1993
- Ozen Corporation
- Eishi Koike
- G11 - INFORMATION STORAGE
Information Patent Grant
Sound recording playing apparatus with improved vibration plate
- Patent number 5,177,733
- Issue date Jan 5, 1993
- Ozen Corporation
- Eishi Koike
- G11 - INFORMATION STORAGE
Information Patent Grant
Compact record player having downwardly extending notched rib and m...
- Patent number 5,164,927
- Issue date Nov 17, 1992
- Ozen Corporation
- Masumi Kaneko
- G11 - INFORMATION STORAGE