Mitsuhiro HIRUMA

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Kiryu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup apparatus
- Patent number 8,335,136
- Issue date Dec 18, 2012
- Sanyo Electric Co., LTD
- Mitsuhiro Hiruma
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 8,310,911
- Issue date Nov 13, 2012
- Sanyo Electric Co., Ltd.
- Chiaki Asakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Light reception output controlling apparatus of photo detector in o...
- Patent number 7,365,296
- Issue date Apr 29, 2008
- Sanyo Electric Co., LTD
- Akira Tsukihashi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP APPARATUS
- Publication number 20120069725
- Publication date Mar 22, 2012
- SANYO ELECTRIC CO., LTD.
- Chiaki Asakawa
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP APPARATUS
- Publication number 20120063286
- Publication date Mar 15, 2012
- SANYO ELECTRIC CO., LTD.
- Chiaki Asakawa
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP APPARATUS
- Publication number 20120051205
- Publication date Mar 1, 2012
- SANYO ELECTRIC CO., LTD.
- Mitsuhiro HIRUMA
- G11 - INFORMATION STORAGE
Information Patent Application
Light Reception Output Controlling Apparatus of Photo Detector in O...
- Publication number 20070001092
- Publication date Jan 4, 2007
- SANYO ELECTRIC CO., LTD.
- Akira Tsukihashi
- H03 - BASIC ELECTRONIC CIRCUITRY