Masataka Ogawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board magnetic head for magneto-optical recording d...
- Patent number 5,650,983
- Issue date Jul 22, 1997
- Sony Corporation
- Masamichi Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk-shaped recording medium and apparatus for recording and/or rep...
- Patent number 5,099,467
- Issue date Mar 24, 1992
- Sony Corporation
- Hiroshi Sumihiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk-shaped recording medium and disk apparatus
- Patent number 4,925,717
- Issue date May 15, 1990
- Sony Corporation
- Yoshihiro Tsukamura
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Router and control method of audio/video apparatus using the router
- Publication number 20020129154
- Publication date Sep 12, 2002
- Sumihiro Okawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE