Yoshiharu Matsumoto

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Patents Grantslast 30 patents

Information Patent Grant
Tape loading device with variable tape tension mechanism for record...
- Patent number 4,802,034
- Issue date Jan 31, 1989
- Sony Corporation
- Yoshiharu Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and/or reproducing apparatus
- Patent number 4,445,154
- Issue date Apr 24, 1984
- Sony Corporation
- Nobutoshi Kihara
- G11 - INFORMATION STORAGE