Inventor

Chiawei Liao

Inventor
San Jose, CA, US

Overview

19→
Patents
2005–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H05Bprimary
H05BElectric heating29%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems26%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications16%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G05FSystems for regulating electric or magnetic variables3%
H03HImpedance networks, e.g. resonant circuits3%
H03KPulse technique3%
PatentTitleYear
9,629,214'Backlight control circuit with flexible configuration'20179,179,517'Backlight control circuit with under current detection and start-up control'20159,072,137'Backlight control circuit with flexible configuration'20158,941,325'Light emitting device array driver circuit and current splitter circuit and method of splitting current therefor'20158,853,960'Dimming control circuit and method for generating analog and digital signals according to one analog control signal'20148,508,464'Backlight control circuit capable of distinguishing under current condition'20138,319,444'Tail-less LED control circuit'20128,044,920'Backlight control circuit with low brightness variation when light emitting devices not operating'20118,035,606'Backlight control circuit with under current detection and start-up control'20118,026,676'Dimming control circuit'20117,656,142'Switching regulator with variable slope compensation'20107,518,351'Switching regulator over voltage reduction circuit and method'20097,388,444'Switching regulator duty cycle control in a fixed frequency operation'20087,378,822'Switching regulator slope compensation generator circuit'20087,378,826'Methods and circuits for output over-voltage reduction in switching regulators'20087,342,392'Switching regulator with slope compensation independent of changes in switching frequency'20087,323,928'High capacitance integrated circuits'20087,023,713'Voltage overshoot reduction circuits'20066,853,565'Voltage overshoot reduction circuits'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2010Patents assigned to LINEAR TECHN INC (9)· patent assignee history
2005–2017Based in San Jose, CA, US· patent location history
2011–2017Patents assigned to RICHTEK TECHNOLOGY CORP (6)· patent assignee history
2011–2014Patents assigned to RICHTEK TECHNOLOGY CORP ROC (3)· patent assignee history
2012–2015Patents assigned to LIAO CHIAWEI (5)· patent assignee history
2012–2015Patents assigned to LIU JING-MENG (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LINEAR TECHN INC92005–2010
RICHTEK TECHNOLOGY CORP62011–2017
LIAO CHIAWEIself52012–2015
LIU JING-MENG42012–2015
RICHTEK TECHNOLOGY CORP ROC32011–2014
Locations
LocationPatentsSpan
San Jose, California, US192005–2017