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Patents Grants
last 30 patents
Information
Patent Grant
Circuits and methods for driving LED light sources
Patent number
9,030,122
Issue date
May 12, 2015
O2Micro, Inc.
Tiesheng Yan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuits and methods for driving light sources
Patent number
8,890,440
Issue date
Nov 18, 2014
O2Micro, Inc.
Tiesheng Yan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuits and methods for driving light sources
Patent number
8,664,895
Issue date
Mar 4, 2014
O2Micro, Inc.
Tiesheng Yan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuits and methods for driving light sources
Patent number
8,575,864
Issue date
Nov 5, 2013
O2Micro, Inc.
Tiesheng Yan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuits and methods for driving light sources
Patent number
8,339,063
Issue date
Dec 25, 2012
O2Micro Inc.
Tiesheng Yan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Voltage sensing circuits and methods for inverters
Patent number
8,129,982
Issue date
Mar 6, 2012
O2Micro International Limited
Youling Li
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuits and methods for balancing current among multiple loads
Patent number
8,058,809
Issue date
Nov 15, 2011
O2Micro, Inc.
Youling Li
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit structure for LCD backlight
Patent number
8,054,001
Issue date
Nov 8, 2011
O2Micro Inc.
Xiaojun Wang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Driving circuits and controllers for controlling power to a load
Patent number
8,049,438
Issue date
Nov 1, 2011
O2Micro, Inc.
Da Liu
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Information
Patent Grant
Circuits and methods for voltage sensing
Patent number
7,554,319
Issue date
Jun 30, 2009
Youling Li
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES
Publication number
20130328498
Publication date
Dec 12, 2013
O2Micro, Inc.
Tiesheng YAN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CIRCUITS AND METHODS FOR DRIVING LED LIGHT SOURCES
Publication number
20130038227
Publication date
Feb 14, 2013
O2Micro, Inc.
Tiesheng YAN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES
Publication number
20120299502
Publication date
Nov 29, 2012
Tiesheng YAN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES
Publication number
20110133662
Publication date
Jun 9, 2011
Tiesheng YAN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Inverter controller and system
Publication number
20100039048
Publication date
Feb 18, 2010
O2Micro, Inc.
Da Liu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
VOLTAGE SENSING CIRCUITS AND METHODS FOR INVERTERS
Publication number
20090256490
Publication date
Oct 15, 2009
Youling Li
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Circuits and methods for balancing current among multiple loads
Publication number
20090009097
Publication date
Jan 8, 2009
O2Micro Inc
Youling Li
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Circuit structure for LCD backlight
Publication number
20080067944
Publication date
Mar 20, 2008
Xiaojun Wang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR