Toshio Morizumi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording apparatus, and method for controlling laser power...
- Patent number 7,379,406
- Issue date May 27, 2008
- Sony Corporation
- Kenji Nagashima
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording device, data reproducing device, and optical disc
- Patent number 6,819,642
- Issue date Nov 16, 2004
- Sony Corporation
- Satoshi Kumai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive apparatus for use with different recording media, tra...
- Patent number 6,757,227
- Issue date Jun 29, 2004
- Sony Corporation
- Eiji Kumagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive, and recording/reproducing method
- Patent number 6,614,736
- Issue date Sep 2, 2003
- Sony Corporation
- Toshio Morizumi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recording apparatus, and a method for controlling laser pow...
- Publication number 20020071366
- Publication date Jun 13, 2002
- Kenji Nagashima
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording/reproducing apparatus, optical head apparatus, op...
- Publication number 20020009024
- Publication date Jan 24, 2002
- Sony Corporation
- Eiji Kumagai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive, and recording/reproducing method
- Publication number 20010030922
- Publication date Oct 18, 2001
- Toshio Morizumi
- G11 - INFORMATION STORAGE
Information Patent Application
Data recording device, data reproducing device, and optical disc
- Publication number 20010024410
- Publication date Sep 27, 2001
- Satoshi Kumai
- G11 - INFORMATION STORAGE