Shiro Yasuda

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Inside force cancelling device for tone arm of record player
- Patent number 3,997,173
- Issue date Dec 14, 1976
- Sony Corporation
- Shiro Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge shell for phonograph pickup
- Patent number 3,957,272
- Issue date May 18, 1976
- Sony Corporation
- Shiro Yasuda
- G11 - INFORMATION STORAGE