Naoya Fujita

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Yokohoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording and reproducing apparatus automatically adjustab...
- Patent number 4,422,109
- Issue date Dec 20, 1983
- Hitachi, Ltd.
- Tohru Sampei
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape recorder
- Patent number 4,422,108
- Issue date Dec 20, 1983
- Hitachi, Ltd.
- Tohru Sampei
- G11 - INFORMATION STORAGE