Susumu Matsubara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary magnetic head and guide drum assembly with reduce mounting h...
- Patent number 4,891,726
- Issue date Jan 2, 1990
- Sony Corporation
- Hisashi Suwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and/or reproducing apparatus
- Patent number 4,853,804
- Issue date Aug 1, 1989
- Sony Corporation
- Hisashi Suwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc players fitted for automatic change of discs
- Patent number 4,701,900
- Issue date Oct 20, 1987
- Sony Corporation
- Norio Hasegawa
- G11 - INFORMATION STORAGE