Akihiro Sakaguchi

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Kawachinagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Document classification method, document classifier, and recording...
- Patent number 11,797,592
- Issue date Oct 24, 2023
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Akihiro Sakaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light intensity controller and optical pickup device
- Patent number 7,745,770
- Issue date Jun 29, 2010
- Panasonic Corporation
- Yasushi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive with temperature based control of RF superimpose...
- Patent number 7,701,826
- Issue date Apr 20, 2010
- Panasonic Corporation
- Masatoshi Yajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk type determination method
- Patent number 6,449,232
- Issue date Sep 10, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masaya Kuwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam expander to change an elliptical light beam emitted from a las...
- Patent number 6,014,361
- Issue date Jan 11, 2000
- Matushita Electric Industrial Co., Ltd.
- Kenji Nagashima
- G11 - INFORMATION STORAGE
Information Patent Grant
Lens actuator for dual lens optical disk apparatus having lens moun...
- Patent number 5,864,524
- Issue date Jan 26, 1999
- Matsushita Electric Industrial Co., Ltd.
- Akihiro Sakaguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DOCUMENT CLASSIFICATION METHOD, DOCUMENT CLASSIFIER, AND RECORDING...
- Publication number 20210390297
- Publication date Dec 16, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- AKIHIRO SAKAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT INTENSITY CONTROLLER AND OPTICAL PICKUP DEVICE
- Publication number 20090261234
- Publication date Oct 22, 2009
- Yasushi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Information Recording/Reproducing Device
- Publication number 20080094980
- Publication date Apr 24, 2008
- Masatoshi Yajima
- G11 - INFORMATION STORAGE