OPTO-Device Co., Ltd.

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reflection type light-emitting diode device
- Patent number 7,420,216
- Issue date Sep 2, 2008
- Pearl Lamp Works, Ltd.
- Shigeru Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode and process for producing the same
- Patent number 7,339,201
- Issue date Mar 4, 2008
- Pearl Lamp Works, Ltd.
- Shigeru Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Reflection type light-emitting diode device
- Publication number 20060278881
- Publication date Dec 14, 2006
- TABUCHI ELECTRIC CO., LTD.
- Shigeru Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks