Atsuo Matsuyama

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Patents Grantslast 30 patents

Information Patent Grant
Video signal recording and reproduction apparatus
- Patent number 5,828,841
- Issue date Oct 27, 1998
- Sony Corporation
- Norikazu Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Editing control method and apparatus for video tape recorders
- Patent number 4,507,691
- Issue date Mar 26, 1985
- Sony Corporation
- Mamoru Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Helical scan type video tape recorder
- Patent number 4,390,915
- Issue date Jun 28, 1983
- Sony Corporation
- Atsuo Matsuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotational direction indicating apparatus
- Patent number 4,259,625
- Issue date Mar 31, 1981
- Sony Corporation
- Akira Hatakeyama
- G11 - INFORMATION STORAGE