Kazuhiro Kumada

Follow

Person

Himeji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
LED driver circuit with open load detection and associated control...
- Patent number 8,502,463
- Issue date Aug 6, 2013
- Panasonic Corporation
- Hiromitsu Mizukawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED power-source circuit and illumination fixture using the same
- Patent number 8,390,213
- Issue date Mar 5, 2013
- Panasonic Corporation
- Kazuhiro Kumada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LIGHTING DEVICE, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20110260620
- Publication date Oct 27, 2011
- Panasonic Electric Works Co., Ltd.
- Kazuhiro Kumada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LED DRIVER CIRCUIT WITH OPEN LOAD DETECTION AND ASSOCIATED CONTROL...
- Publication number 20110204823
- Publication date Aug 25, 2011
- Hiromitsu Mizukawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED POWER-SOURCE CIRCUIT AND ILLUMINATION FIXTURE USING THE SAME
- Publication number 20100231138
- Publication date Sep 16, 2010
- Kazuhiro Kumada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...