Toshihiro Yamanaka

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Ibaraki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lighting device and display apparatus
- Patent number 7,670,031
- Issue date Mar 2, 2010
- Hitachi Maxell, Ltd.
- Yoichi Ogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device, semiconductor light-emitting m...
- Patent number 7,605,452
- Issue date Oct 20, 2009
- Hitachi Maxell, Ltd.
- Toshihiro Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Lighting device and display apparatus
- Publication number 20080030986
- Publication date Feb 7, 2008
- Hitachi Maxell, Ltd.
- Yoichi Ogawa
- G02 - OPTICS
Information Patent Application
Semiconductor device, semiconductor module, and method of manufactu...
- Publication number 20070080438
- Publication date Apr 12, 2007
- Hitachi Maxell, Ltd.
- Toshihiro Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS