Akio Matsuda

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device in recording and/reproducing apparatus
- Patent number 6,314,076
- Issue date Nov 6, 2001
- Sony Corporation
- Shizuo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus with lock and release mechanism
- Patent number 6,272,092
- Issue date Aug 7, 2001
- Sony Corporatin
- Shizuo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus having elevation mechanism
- Patent number 6,188,661
- Issue date Feb 13, 2001
- Sony Corporation
- Shizuo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus
- Patent number 6,154,431
- Issue date Nov 28, 2000
- Sony Corporation
- Shizuo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge with grooves for a recording and reproducing apparatus
- Patent number 6,046,976
- Issue date Apr 4, 2000
- Sony Corporation
- Shizuo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device in recording and/reproducing apparatus
- Patent number 6,021,108
- Issue date Feb 1, 2000
- Sony Corporation
- Shizuo Arai
- G11 - INFORMATION STORAGE