Yasuji Kawai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Discharge lamp lighting device, lamp failure detection method, and...
- Patent number 10,039,176
- Issue date Jul 31, 2018
- NEC Display Solutions, Ltd.
- Koichi Tagishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, LAMP FAILURE DETECTION METHOD, AND...
- Publication number 20170231073
- Publication date Aug 10, 2017
- NEC Display Soilutions, Ltd.
- Koichi TAGISHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
TRANSMISSION TERMINAL, DISPLAY APPARATUS, IMAGE DISPLAY TRANSMISSIO...
- Publication number 20110169863
- Publication date Jul 14, 2011
- Yasuji Kawai
- G06 - COMPUTING CALCULATING COUNTING