Shigeharu Shirane

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Kumagaya-City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device
- Patent number 8,358,571
- Issue date Jan 22, 2013
- Sanyo Electric Co., LTD
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 8,331,211
- Issue date Dec 11, 2012
- Sanyo Electric Co., LTD
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 8,325,580
- Issue date Dec 4, 2012
- Sanyo Electric Co., LTD
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 8,259,552
- Issue date Sep 4, 2012
- Sanyo Electric Co., LTD
- Shigeharu Shirane
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 7,359,293
- Issue date Apr 15, 2008
- Sanyo Electric Co., Ltd.
- Yasuyuki Kanou
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20120026857
- Publication date Feb 2, 2012
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20120026858
- Publication date Feb 2, 2012
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20120002533
- Publication date Jan 5, 2012
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Pickup Apparatus
- Publication number 20110292782
- Publication date Dec 1, 2011
- Sanyo Electric Co., Ltd.
- Shigeharu Shirane
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup device
- Publication number 20050122854
- Publication date Jun 9, 2005
- SANYO ELECTRIC CO., LTD.
- Yasuyuki Kanou
- G11 - INFORMATION STORAGE