Inventor

Tao Liu

Inventor

Woodbury, MN, US

Overview

84→

Patents

2008–2020

Patent span

Physics

Primary field (CPC G)

Patents· 84 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus17%

G06FElectric digital data processing8%

H04LTransmission of digital information, e.g. telegraphic communication8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H04WWireless communication networks7%

H04BTransmission6%

F21VFunctional features or details of lighting devices or systems thereof3%

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 systems3%

H01LSemiconductor devices2%

H03KPulse technique2%

PatentTitleYear

10,849,490Systems and methods for specifying the quality of the retinal image over the entire visual field2020 10,824,477Network function virtualization service container creation2020 10,732,344Collimating light guide2020 10,718,890Optical structures with off-state appearance area2020 10,690,834Backlight device and manufacturing method thereof2020 10,677,977Illumination system including lightguide2020 10,666,147Resonant converter control based on zero current detection2020 10,659,216Data processing method and apparatus2020 10,659,063Adaptive voltage frequency scaling for optimal power efficiency2020 10,634,837Lightguide with various shapes and extracting structures2020 10,606,637Time correction method, apparatus, and system2020 10,545,896Service acceleration method and apparatus2020 10,514,487Light guides2019 10,509,157Lightguides with pixelated image2019 10,490,891Antenna adjustment method, antenna, and base station control center2019 10,473,846Illumination system2019 10,454,473Optical-control driving circuit for high utility power2019 10,394,340Backlit illumination of electronics2019 10,312,372Production method of field-effect transistor, production method of array substrate, field-effect transistor, array substrate, and display panel2019 10,284,010Modular uninterruptible power supply system2019 10,223,183Rapid fault detection method and device2019 10,222,837Display module having a removably fixed retention member2019 10,218,561Communications system, control apparatus, and network management server2019 10,216,285Backlit illumination of electronics2019 10,162,218Illumination systems with sloped transmission spectrum front reflector2018 10,146,451Reducing read disturb in data storage2018 10,057,829VoWLAN call handover method, UE and core network node2018 10,045,690Method for determining wave-front aberration data of a to-be-tested optical system2018 10,034,279Power control method, system, device and computer storage medium2018 9,989,935Active front-end rectifier filter delay compensation method based on model predictive control2018 9,953,774Electronic device for controlling high-voltage with multiple low-voltage switches2018 9,899,988'Switch, antenna tuner, and radio frequency apparatus'2018 9,853,802Radio frequency circuit and mobile terminal2017 9,791,709'Light control film with varied viewing angle'2017 9,740,018'Light control film with varied viewing angle'2017 9,690,275'System energy efficiency controller, energy efficiency gain device and smart energy service system used for energy utilization'2017 9,680,940'Method, device and system for acquiring data type definition'2017 9,647,630'Antenna impedance matching apparatus, semiconductor chip, and method'2017 9,615,398'Method for establishing X2 connection between base stations, base station, and communication system'2017 9,563,196'Production line system and controlling method thereof'2017 9,544,818'Method and system for determining QoS of WLAN service in backhaul network'2017 9,541,698'Backlights having selected output light flux distributions and display systems using same'2017 9,482,807'Optical constructions incorporating a light guide and low refractive index films'2016 9,465,145'Low refractive index diffuser element having interconnected voids'2016 9,445,286'Protocol version negotiation method, mobile terminal, base station and communications system'2016 9,441,809'Illumination systems with sloped transmission spectrum front reflector'2016 9,410,677'Light source and display system incorporating same'2016 9,312,866'Phase lock loop (PLL/FLL) clock signal generation with frequency scaling to power supply voltage'2016 9,270,668'Method and apparatus for verifying anti-counterfeiting information'2016 9,229,149'Optical constructions incorporating a light guide and low refractive index films'2016 9,176,048'Normal incidence broadband spectroscopic polarimeter and optical measurement system'2015 9,170,156'Normal-incidence broadband spectroscopic polarimeter containing reference beam and optical measurement system'2015 9,112,775'Method and device for establishing backup path, method and device for selecting backup path'2015 9,063,293'Immersed reflective polarizer with angular confinement in selected planes of incidence'2015 9,057,843'Immersed asymmetric reflector with reduced color'2015 9,024,606'Low-to-medium power single chip digital controlled DC-DC regulator for point-of-load applications'2015 8,966,050'Data centre system and method for a data centre to provide service'2015 8,958,049'Liquid crystal display panel and repair method thereof'2015 8,950,924'Optical constructions incorporating a light guide and low refractive index films'2015 8,942,522'Optical stack and lightguides'2015 8,938,656'Data storage device with intermediate ECC stage'2015 8,922,733'Light source and display system incorporating same'2014 8,897,696'Method and apparatus of using a relay station to assist processing of requests from user ends'2014 8,891,038'Lightguide with optical film containing voids and blacklight for display system'2014 8,807,774'Semispecular hollow backlight with gradient extraction'2014 8,805,276'Method, system, relay station and base station for transmitting data mobile communication'2014 8,767,209'Broadband polarization spectrometer with inclined incidence and optical measurement system'2014 8,721,153'Backlight reflectors having a prismatic structure'2014 8,591,052'Semispecular hollow backlight with gradient extraction'2013 8,432,698'Electronic system and heat dissipation device thereof'2013 8,391,777'Methods and equipment for performing channel aware relays in an enhanced relay cluster'2013 8,330,442'DC to DC converter and method for reducing overshoot'2012 7,933,124'Electronic device with expansion card fasterning device'2011 7,876,496'Free-space optical module for optical amplification'2011 7,730,358'Stress testing method of file system'2010 D0606077'Flash drive'2009 7,606,546'Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems'2009 7,581,143'Peripheral component interconnect bus test system and method therefor'2009 7,558,348'Radio frequency antenna system and high-speed digital data link to reduce electromagnetic interference for wireless communications'2009 7,548,740'Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems'2009 7,542,749'Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems'2009 7,499,690'Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems'2009 7,388,838'Method and apparatus for adjustable QoS based admission control and scheduling WLANs'2008 7,389,095'Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2020Patents assigned to NVIDIA CORP (8)· patent assignee history

2008–2009Based in Sunnyvale, CA, US· patent location history

2009–2020Based in Shenzhen, CN· patent location history

2012–2018Patents assigned to LIU TAO (24)· patent assignee history

2013–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (25)· patent assignee history

2013–2017Patents assigned to WHEATLEY JOHN A (7)· patent assignee history

2013–2020Based in Woodbury, MN, US· patent location history

2013–2020Based in Beijing, CN· patent location history

2015–2020Patents assigned to HUAWEI TECH CO LTD (14)· patent assignee history

2017–2019Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	25	2013–2020
LIU TAOself	24	2012–2018
HUAWEI TECH CO LTD	14	2015–2020
NVIDIA CORP	8	2008–2020
WHEATLEY JOHN A	7	2013–2017

Locations

Location	Patents	Span
Woodbury, Minnesota, US	25	2013–2020
Shenzhen, CN	15	2009–2020
Beijing, CN	12	2013–2020
Sunnyvale, California, US	6	2008–2009
Shanghai, CN	5	2017–2019