Kouji TSUKAGOSHI

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Ohta-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light emitting device, composite light emitting devic...
- Patent number 8,641,256
- Issue date Feb 4, 2014
- Sanken Electric Co., Ltd.
- Takeshi Sano
- F21 - LIGHTING
Information Patent Grant
Configurations of a semiconductor light emitting device and planar...
- Patent number 8,362,493
- Issue date Jan 29, 2013
- Sanken Electric Co., Ltd
- Takeshi Sano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device and semiconductor light emittin...
- Patent number 8,253,159
- Issue date Aug 28, 2012
- Sanken Electric Co., Ltd.
- Kouji Tsukagoshi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE, COMPOSITE LIGHT EMITTING DEVIC...
- Publication number 20110188266
- Publication date Aug 4, 2011
- Sanken Electric Co., Ltd.
- Takeshi Sano
- F21 - LIGHTING
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR LIGHT EMITTIN...
- Publication number 20090242906
- Publication date Oct 1, 2009
- SANKEN ELECTRIC CO., LTD.
- Kouji TSUKAGOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE
- Publication number 20090121247
- Publication date May 14, 2009
- SANKEN ELECTRIC CO., LTD.
- Kouji TSUKAGOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND PLANAR LIGHT SOURCE
- Publication number 20090121248
- Publication date May 14, 2009
- SANKEN ELECTRIC CO., LTD.
- Takeshi SANO
- H01 - BASIC ELECTRIC ELEMENTS