Harumi Sakuragi

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting diode driving device for reducing light off period
- Patent number 9,035,567
- Issue date May 19, 2015
- Nichia Corporation
- Harumi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light-emitting diode driving apparatus including charging/dischargi...
- Patent number 8,847,509
- Issue date Sep 30, 2014
- Nichia Corporation
- Harumi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light-emitting diode driving apparatus
- Patent number 8,680,782
- Issue date Mar 25, 2014
- Nichia Corporation
- Harumi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light-emitting diode driving apparatus for suppressing harmonic com...
- Patent number 8,653,752
- Issue date Feb 18, 2014
- Nichia Corporation
- Harumi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting apparatus, LED lighting, LED light emitting apparatu...
- Patent number 7,656,371
- Issue date Feb 2, 2010
- Nichia Corporation
- Yoshinori Shimizu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control circuit for charging and discharging, illuminating apparatu...
- Patent number 6,847,193
- Issue date Jan 25, 2005
- Nichia Corporation
- Harumi Sakuragi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING DIODE DRIVING APPARATUS
- Publication number 20130200802
- Publication date Aug 8, 2013
- Nichia Corporation.
- Harumi SAKURAGI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DIODE DRIVING APPARATUS FOR SUPPRESSING HARMONIC COM...
- Publication number 20130099683
- Publication date Apr 25, 2013
- Nichia Corporation.
- Harumi SAKURAGI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DIODE DRIVING DEVICE FOR REDUCING LIGHT OFF PERIOD
- Publication number 20120299489
- Publication date Nov 29, 2012
- Nichia Corporation.
- Harumi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DIODE DRIVING APPARATUS INCLUDING CHARGING/DISCHARGI...
- Publication number 20120299495
- Publication date Nov 29, 2012
- Nichia Corporation.
- Harumi SAKURAGI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Light emitting apparatus, led lighting, led light emitting apparatu...
- Publication number 20070120496
- Publication date May 31, 2007
- Yoshinori Shimizu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR