Hidetoshi Sato

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pickup cartridge having means for producing magnetic fields of oppo...
- Patent number 4,251,695
- Issue date Feb 17, 1981
- Victor Company of Japan Ltd.
- Tsuyoshi Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving-coil type pickup cartridge
- Patent number 4,209,670
- Issue date Jun 24, 1980
- Victor Company of Japan, Limited
- Tsuyoshi Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE