Yasufumi Yamagishi

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Oosato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device and optical pickup supporting device includin...
- Patent number 8,531,934
- Issue date Sep 10, 2013
- Sanyo Electric Co., Ltd.
- Yasufumi Yamagishi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pickup apparatus and disk apparatus including the pickup apparatus
- Patent number 7,610,592
- Issue date Oct 27, 2009
- Sanyo Electric Co., LTD
- Yasufumi Yamagishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Escutcheon and mask mounting structure for a cathode ray tube
- Patent number 4,651,256
- Issue date Mar 17, 1987
- Sanyo Electric Co., Ltd.
- Yasufumi Yamagishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ELEMENT HOLDER, OPTICAL ELEMENT UNIT, AND OPTICAL PICKUP AP...
- Publication number 20130121126
- Publication date May 16, 2013
- SANYO Optec Design Co., Ltd.
- Yasufumi YAMAGISHI
- G02 - OPTICS
Information Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL PICKUP SUPPORTING DEVICE
- Publication number 20120201116
- Publication date Aug 9, 2012
- Yasufumi Yamagishi
- B60 - VEHICLES IN GENERAL
Information Patent Application
Pickup Apparatus and Disk Apparatus Including the Pickup Apparatus
- Publication number 20070074235
- Publication date Mar 29, 2007
- Sanyo Electric Co., Ltd.
- Yasufumi Yamagishi
- G11 - INFORMATION STORAGE