Inventor

Qi Liu

Inventor

Beijing, CN

Overview

57→

Patents

1997–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 57 as inventor

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

H10Nprimary

H10NElectric solid-state devices not otherwise provided for9%

H01LSemiconductor devices9%

G06FElectric digital data processing7%

H10BElectronic memory devices7%

H03FAmplifiers6%

H04WWireless communication networks5%

F21KNon-electric light sources using luminescence4%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted4%

G11CStatic stores4%

F21VFunctional features or details of lighting devices or systems thereof3%

PatentTitleYear

D0903635Earphone2020 10,823,938Optical imaging lens2020 10,770,423Clamping system, wire bonding machine, and method for bonding wires2020 10,762,228Transaction scheduling method and apparatus2020 10,750,496Data transmission method and apparatus2020 10,743,008Video file transcoding system, segmentation method, and transcoding method and apparatus2020 10,720,578Self-gating resistive storage device having resistance transition layer in vertical trench in stacked structure of insulating dielectric layers and electrodes2020 D0890411Mounting base2020 10,699,015Method and apparatus for data transmission in a tee system2020 10,700,276Preparation method of Cu-based resistive random access memory, and memory2020 10,674,684Boat-shaped sprinkler irrigation machine for large-scale farm irrigation canals2020 10,665,780Selection device for use in bipolar resistive memory and manufacturing method therefor2020 10,638,567LED driving circuit and LED apparatus2020 10,616,964Elongated lamp tube, ballast and kit thereof2020 10,609,835Electronic device and driving mechanism2020 10,608,177Self-gated RRAM cell and method for manufacturing the same2020 10,530,309Methods and circuits to reduce pop noise in an audio device2020 10,459,204Optical imaging lens2019 10,459,196Optical imaging lens2019 10,429,049LED tube apparatus having a novel heat dissipation structure2019 10,418,549Method for evaluating thermal effect and reducing thermal crosstalk of three-dimensional integrated resistive switching memory2019 D0859297Tire2019 D0856907Tire2019 10,385,270Liquid crystal composition and display device thereof2019 10,312,439Manufacturing method for a nonvolatile resistive switching memory device2019 10,305,035Preparation method of Cu-based resistive random access memory2019 10,297,748Three-terminal atomic switching device and method of manufacturing the same2019 10,292,215Elongated lamp tube, ballast and kit thereof2019 10,234,123LED tube apparatus equipped to effectively dissipate heat in abnormal situations2019 10,193,506Methods and circuits to reduce pop noise in an audio device2019 10,158,851Techniques for improved graphics encoding2018 10,134,983Nonvolatile resistive switching memory device and manufacturing method thereof2018 9,943,967Five-degree-of-freedom hybrid robot with rotational supports2018 9,888,610'Vent structure and electronic apparatus therewith'2018 9,866,187'High efficiency class D amplifier with reduced generation of EMI'2018 D0796426'Tire'2017 9,727,509'GPIB bus to ZigBee interconnection'2017 9,667,201'Advanced current limit function for audio amplifier'2017 9,577,579'Methods and circuits to reduce pop noise in an audio device'2017 9,508,776'Gating device cell for cross array of bipolar resistive memory cells'2016 9,306,523'Methods and circuits to reduce pop noise in an audio device'2016 9,276,530'Advanced current limit function for audio amplifier'2016 9,231,535'Silent start class-D amplifier'2016 9,007,952'Method and device for switching'2015 9,001,509'Expansion device'2015 8,837,124'Holding device for holding mobile products'2014 8,824,369'Method and device for switching'2014 8,735,245'Metal oxide resistive switching memory and method for manufacturing same'2014 8,660,074'Method and apparatus for allocating resources among multiple users'2014 8,642,989'Resistive random access memory cell and memory'2014 8,432,829'Method and apparatus for allocating the number of code words and power'2013 8,036,666'Wireless communication system and method for switching base station thereof'2011 7,735,908'Vehicle hood with sandwich inner structure'2010 7,690,720'Energy absorbing vehicle hood assembly with asymmetric sandwich inner structure'2010 7,635,157'Vehicle hood assembly with rippled cushion support'2009 7,635,150'Automotive pretensioner seatbelt system'2009 5,685,993'Apparatus and method for ferrite formation and removal of heavy metal ions by ferrite co-precipitation from aqueous solutions'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

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

2011–2020Based in Shanghai, CN· patent location history

2013–2019Patents assigned to LIU QI (9)· patent assignee history

2013–2020Patents assigned to HUAWEI TECH CO LTD (5)· patent assignee history

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

2014–2020Patents assigned to INST OF MICROELECTRONICS CAS (8)· patent assignee history

2016–2020Patents assigned to STMICROELECTRONICS SHENZHEN R&D CO LTD (5)· patent assignee history

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

2019–2020Patents assigned to XIAMEN ECO LIGHTING CO LTD (5)· patent assignee history

2019–2020Based in Xiamen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LIU QIself	9	2013–2019
INST OF MICROELECTRONICS CAS	8	2014–2020
HUAWEI TECH CO LTD	5	2013–2020
STMICROELECTRONICS SHENZHEN R&D CO LTD	5	2016–2020
XIAMEN ECO LIGHTING CO LTD	5	2019–2020

Locations

Location	Patents	Span
Beijing, CN	17	2009–2020
Shenzhen, CN	12	2013–2020
Shanghai, CN	9	2011–2020
Xiamen, CN	7	2019–2020
Shandong, CN	3	2017–2019