Masato Soma

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Takasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus for selectively operating with program data from...
- Patent number 7,111,133
- Issue date Sep 19, 2006
- Hitachi, Ltd.
- Yoshinori Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Actuator control device
- Patent number 6,785,204
- Issue date Aug 31, 2004
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Control apparatus and optical disc apparatus using it
- Patent number 6,665,237
- Issue date Dec 16, 2003
- Hitachi, Ltd.
- Yoshinori Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Positioning device for optical disc apparatus
- Patent number 5,633,846
- Issue date May 27, 1997
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DISK APPARATUS, INFORMATION RECORDING METHOD, SIGNAL PROCES...
- Publication number 20090310458
- Publication date Dec 17, 2009
- RENESAS TECHNOLOGY CORP.
- Koichiro Nishimura
- G11 - INFORMATION STORAGE
Information Patent Application
Control apparatus and optical disc apparatus using it
- Publication number 20040078530
- Publication date Apr 22, 2004
- Hitachi, Ltd.
- Yoshinori Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Control apparatus and optical disc apparatus using it
- Publication number 20020174308
- Publication date Nov 21, 2002
- Yoshinori Ishikawa
- G06 - COMPUTING CALCULATING COUNTING