Inventor

Liqiang Zhu

Inventor
Shanghai, CN

Overview

87→
Patents
2008–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 87 as inventor

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

H05Bprimary
H05BElectric heating31%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications23%
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 systems13%
H04LTransmission of digital information, e.g. telegraphic communication10%
G06FElectric digital data processing6%
H03KPulse technique3%
G05FSystems for regulating electric or magnetic variables2%
H02HEmergency protective circuit arrangements2%
H05KPrinted circuits2%
H03MCoding2%
PatentTitleYear
11,095,877Local hash-based motion estimation for screen remoting scenarios202111,070,832Syntax and semantics for buffering information to simplify video splicing202110,897,626Methods and apparatus for video usability information (VUI) for scalable video coding (SVC)202110,873,263Systems and methods of overvoltage protection for LED lighting202010,827,588LED lighting systems with TRIAC dimmers and methods thereof202010,806,003Systems and methods for current regulation in light-emitting-diode lighting systems202010,785,211Authorization and authentication for recurring workflows202010,785,837Systems and methods for stage-based control related to TRIAC dimmers202010,779,373Systems and methods for current regulation in light-emitting-diode lighting systems202010,728,983Systems and methods for current regulation in light-emitting-diode lighting systems202010,715,530Security and permission architecture202010,694,599Systems and methods for temperature control in light-emitting-diode lighting systems202010,687,397Systems and methods for intelligent dimming control using TRIAC dimmers202010,681,786Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies202010,645,078Smart card thumb print authentication202010,624,188Systems and methods for stage-based control related to TRIAC dimmers202010,595,369Systems and methods for current regulation in light-emitting-diode lighting systems202010,512,131Systems and methods for bleeder control related to lighting emitting diodes201910,505,460Systems and methods for power converters with self-regulated power supplies201910,455,657Systems and methods for dimming control using TRIAC dimmers201910,448,469Systems and methods for intelligent dimming control using TRIAC dimmers201910,448,470Systems and methods for dimming control using triac dimmers201910,404,689Password security201910,375,785Systems and methods for stage-based control related to TRIAC dimmers201910,342,087Systems and methods for intelligent dimming control using TRIAC dimmers201910,334,677Systems and methods for intelligent dimming control using TRIAC dimmers201910,334,679Systems and methods for stage-based control related to TRIAC dimmers201910,292,217Systems and methods for dimming control using system controllers201910,285,228Systems and methods for current regulation in light-emitting-diode lighting systems201910,264,644Systems and methods for temperature control in light-emitting-diode lighting systems201910,256,734Systems and methods for source switching and voltage generation201910,244,592Systems and methods for current regulation in light-emitting-diode lighting systems201910,243,459Systems and methods of overvoltage protection for LED lighting201910,244,593Systems and methods for current regulation in light-emitting-diode lighting systems201910,231,296Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies201910,212,768Systems and methods for current regulation in light-emitting-diode lighting systems201910,211,740Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems201910,212,783Systems and methods for overvoltage protection for LED lighting201910,194,500Systems and methods for dimming control using TRIAC dimmers201910,182,478Systems and methods for current regulation in light-emitting-diode lighting systems201910,181,795Systems and methods for power converters with self-regulated power supplies201910,177,665Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems201910,091,847Systems and methods for dimming control using TRIAC dimmers201810,063,537Permission architecture for remote management and capacity instances20189,967,941Systems and methods for temperature control in light-emitting-diode lighting systems20189,961,734Systems and methods for dimming control using TRIAC dimmers20189,900,943'Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies'20189,883,556'Systems and methods for current regulation in light-emitting-diode lighting systems'20189,883,562'Systems and methods for intelligent dimming control using TRIAC dimmers'20189,883,557'Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies'20189,872,347'Systems and methods for current regulation in light-emitting-diode lighting systems'20189,787,690'Security and permission architecture'20179,780,672'Systems and methods for overvoltage protection for LED lighting'20179,762,585'Tenant lockbox'20179,750,107'Systems and methods for intelligent dimming control using TIRAC dimmers'20179,712,065'Systems and methods for source switching and voltage generation'20179,614,445'Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems'20179,585,222'Systems and methods for intelligent dimming control using TRIAC dimmers'20179,554,432'Systems and methods for dimming control using system controllers'20179,501,635'Isolation of services or processes using credential managed accounts'20169,426,850'Systems and methods for current matching of LED channels'20169,408,269'Systems and methods for dimming control using TRIAC dimmers'20169,301,349'Systems and methods for dimming control using system controllers'20169,257,964'Low frequency oscillator for burst-mode dimming control for CCFL driver system'20169,118,672'Back-end constrained delegation model'20159,071,151'Systems and methods for source switching and voltage generation'20159,059,688'High-precision oscillator systems with feed forward compensation for CCFL driver systems and methods thereof'20159,000,681'Systems and methods for current matching of LED channels'20158,947,136'Systems and methods of signal synchronization for driving light emitting diodes'20158,799,630'Advanced security negotiation protocol'20148,736,187'Systems and methods for controlling brightness of cold-cathode fluorescent lamps with wide dimming range and adjustable minimum brightness'20148,618,885'Low frequency oscillator for burst-mode dimming control for CCFL driver system'20138,598,806'Systems and methods for intelligent control of cold-cathode fluorescent lamps'20138,555,069'Fast-reconnection of negotiable authentication network clients'20138,528,058'Native use of web service protocols and claims in server authentication'20138,519,754'Systems and methods of signal synchronization for driving light emitting diodes'20138,432,099'Systems and methods for controlling brightness of cold-cathode fluorescent lamps with wide dimming range and adjustable minimum brightness'20138,395,425'High-precision oscillator systems with feed forward compensation for CCFL driver systems and methods thereof'20138,132,246'Kerberos ticket virtualization for network load balancers'20127,944,314'Low frequency oscillator for burst-mode dimming control for CCFL driver system'20117,827,405'Mechanism for utilizing kerberos features by an NTLM compliant entity'20107,781,984'System and method for analog voltage processing in wide range for cold-cathode fluorescent lamp'20107,757,281'Privilege restriction enforcement in a distributed system'20107,757,275'One time password integration with Kerberos'20107,591,012'Dynamic negotiation of encryption protocols'20097,434,253'User mapping information extension for protocols'20087,391,169'System and method for analog voltage processing in wide range for cold-cathode fluorescent lamp'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2020Patents assigned to ON BRIGHT ELECTRONICS SHANGHAI CO LTD (60)· patent assignee history
2008–2014Patents assigned to MICROSOFT CORP (9)· patent assignee history
2008–2020Based in Shanghai, CN· patent location history
2008–2013Based in Kirkland, WA, US· patent location history
2012–2016Patents assigned to ZHU LIQIANG (13)· patent assignee history
2012–2020Based in Redmond, WA, US· patent location history
2013–2016Patents assigned to FANG LIEYI (7)· patent assignee history
2015–2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (11)· patent assignee history
2019–2020Based in Bellevue, WA, US· patent location history
2021Based in Mountain View, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ON BRIGHT ELECTRONICS SHANGHAI CO LTD602008–2020
ZHU LIQIANGself132012–2016
MICROSOFT TECHNOLOGY LICENSING LLC112015–2021
MICROSOFT CORP92008–2014
FANG LIEYI72013–2016
Locations
LocationPatentsSpan
Shanghai, CN662008–2020
Redmond, Washington, US92012–2020
Kirkland, Washington, US62008–2013
Bellevue, Washington, US32019–2020
Mountain View, California, US22021