Inventor

Hao Liu

Inventor

Beijing, CN

Overview

1999–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 73 as inventor

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

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication15%

G06FElectric digital data processing10%

H04BTransmission10%

H04WWireless communication networks6%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

H03MCoding5%

A61BDiagnosis5%

H04NPictorial communication, e.g. television4%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

H04JMultiplex communication3%

PatentTitleYear

10,848,229Uplink control information2020 10,824,225Methods and apparatuses for determining head movement2020 10,820,277Uplink power allocation method, uplink power allocation device and uplink power allocation system2020 10,809,363Anti-interference ranging method and apparatus2020 10,806,364Methods and apparatuses for electrooculogram detection, and corresponding portable devices2020 10,733,689Data processing2020 10,708,888Uplink detection method and device in non-orthogonal multiple access system, and base station2020 10,684,535Damping structure, gimbal assembly, and unmanned aerial vehicle2020 10,674,049Image capture assembly and aerial photographing aerial vehicle2020 10,646,141Method and device for determining head movement2020 10,650,507Image display method and apparatus in VR device, and VR device2020 10,646,133Dominant eye determining method and device2020 10,630,798Artificial intelligence based method and apparatus for pushing news2020 10,613,623Control method and equipment2020 10,547,378Optical fiber status detection method, optical supervisory unit, and station2020 10,460,833Method for storing data of photoelectrically synchronous brain activity recording2019 10,453,089Race condition avoidance in a multi-database environment2019 10,430,488Managing systems hosted at data centers2019 10,355,883Signal detection method and signal detection device2019 10,326,463Method and system for charge compensation for switched capacitor circuits2019 10,263,736Method and device for detecting data transmission and received signals2019 10,243,575Method and system for an analog-to-digital converter with near-constant common mode voltage2019 10,203,973High availability service virtual machine in virtualization environment2019 10,198,071Methods and apparatuses for determining control information2019 10,182,111Dynamic adjustment of entity assignment in a multi-data center environment2019 10,175,693Carrier for unmanned aerial vehicle2019 10,165,180Dynamic deployment of executable recognition resources in distributed camera devices2018 10,135,918Dynamically adjusting an entity's assigned data center based on traffic patterns2018 10,009,034Method and system for an analog-to-digital converter with near-constant common mode voltage2018 9,930,494'Leveraging location data from mobile devices for user classification'2018 9,825,817'Network configuration auto-deployment'2017 9,800,235'Adaptive edge-rate boosting driver with programmable strength for signal conditioning'2017 9,780,799'Method and system for an analog-to-digital converter with near-constant common mode voltage'2017 9,762,451'Network resource matching'2017 9,752,643'Negative stiffness system for gravity compensation of micropositioner'2017 9,710,411'Signal conditioner'2017 9,697,026'High availability service virtual machine in virtualization environment'2017 9,699,603'Utilizing mobile wireless devices to analyze movement of crowds'2017 9,680,551'Method of determining two-stage codebook set applicable to 4TX cross-polarized antenna configuration'2017 9,621,244'Method and apparatus for quantizing channel state information'2017 9,606,387'Liquid crystal display module comprising an adhesive frame having carrying sections and limiting sections and display device'2017 9,537,498'Method and system for charge compensation for switched-capacitor circuits'2017 9,496,941'Codebook feedback method and apparatus for multiple-antenna channel in MIMO system'2016 9,462,547'Method for transmitting data using tail time in cellular network'2016 9,434,842'Mix composition determination method of coarse graded high modulus asphalt concrete with skeleton embedded structure'2016 9,331,758'Method and apparatus for sub-sampling of a codebook in LTE-A system'2016 9,197,239'Method and system for analog-to-digital converter with near-constant common mode voltage'2015 9,191,439'Method and system for data synchronization in content delivery network'2015 9,182,217'Method for measuring displacement of large-range moving platform'2015 9,113,294'Method for positioning IP location and server'2015 9,094,075'Methods and apparatuses for generating and feeding back high rank adaptive codebook in multiple input multiple output system'2015 9,083,411'Device and method of channel information feedback for multi-cell MIMO'2015 8,953,701'Precoding method and precoder for cross-polarized antenna array'2015 8,891,658'Method of transmitting feedback information in a MIMO communication system and device thereof'2014 8,879,473'Method and user terminal for multi-site multi-user joint transmission'2014 8,861,639'Method for determining precoding matrix and corresponding communication methods and devices'2014 8,817,823'Method and device for time synchronization'2014 8,687,701'Method and device for arithmetic code package outputting'2014 8,631,270'Method, device for running internet protocol television service system, and internet protocol television service system'2014 8,286,020'Power supply and protection method thereof'2012 7,893,746'High speed intra-pair de-skew circuit'2011 7,894,517'Self-calibrated adaptive equalization system and methods of performing the same'2011 7,711,099'Method and network structure for moving a call leg'2010 6,565,759'Etching process'2003 6,472,717'Method for fabricating reduced contacts using retardation layers'2002 6,391,763'Method for forming a plug or damascene trench on a semiconductor device'2002 6,265,296'Method for forming self-aligned contacts using a hard mask'2001 6,103,588'Method of forming a contact hole in a semiconductor device'2000 6,080,662'Method for forming multi-level contacts using a H-containing fluorocarbon chemistry'2000 6,074,952'Method for forming multi-level contacts'2000 6,037,216'Method for simultaneously fabricating capacitor structures, for giga-bit DRAM cells, and peripheral interconnect structures, using a dual damascene process'2000 5,972,789'Method for fabricating reduced contacts using retardation layers'1999 5,906,948'Method for etching high aspect-ratio multilevel contacts'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2003Patents assigned to VANGUARD INT SEMICONDUCT CORP (9)· patent assignee history

1999–2003Based in Taipei, TW· patent location history

2010–2020Based in Shenzhen, CN· patent location history

2014–2019Patents assigned to LIU HAO (12)· patent assignee history

2014–2017Patents assigned to ALCATEL LUCENT (10)· patent assignee history

2014–2020Based in Shanghai, CN· patent location history

2015–2019Patents assigned to MAXLINEAR INC (6)· patent assignee history

2015–2020Based in Beijing, CN· patent location history

2015–2019Based in Carlsbad, CA, US· patent location history

2019–2020Patents assigned to BEIJING ZHIGU RUITUO TECH CO LTD (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LIU HAOself	12	2014–2019
ALCATEL LUCENT	10	2014–2017
VANGUARD INT SEMICONDUCT CORP	9	1999–2003
BEIJING ZHIGU RUITUO TECH CO LTD	6	2019–2020
MAXLINEAR INC	6	2015–2019

Locations

Location	Patents	Span
Beijing, CN	21	2015–2020
Taipei, TW	10	1999–2003
Shanghai, CN	9	2014–2020
Shenzhen, CN	9	2010–2020
Carlsbad, California, US	6	2015–2019