Hitoshi Sakaguchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information processing device and information processing method
- Patent number 10,887,565
- Issue date Jan 5, 2021
- Sony Corporation
- Hiro Kawakami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical pickup control circuit and optical disc drive device
- Patent number 8,391,111
- Issue date Mar 5, 2013
- Sony Corporation
- Takao Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive system with releasing apparatus
- Patent number 6,345,019
- Issue date Feb 5, 2002
- Sony Corporation
- Shinji Oota
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc reproducing apparatus and method
- Patent number 6,246,649
- Issue date Jun 12, 2001
- Sony Corporation
- Shinji Ohta
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND P...
- Publication number 20170054959
- Publication date Feb 23, 2017
- SONY CORPORATION
- HIRO KAWAKAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PICKUP CONTROL CIRCUIT AND OPTICAL DISC DRIVE DEVICE
- Publication number 20110305123
- Publication date Dec 15, 2011
- SONY CORPORATION
- Takao Maruyama
- G11 - INFORMATION STORAGE