Inventor

Xiaoxin Zhang

Inventor

Sunnyvale, CA, US

Overview

62→

Patents

2002–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 62 as inventor

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

H04Wprimary

H04WWireless communication networks23%

G01SRadio direction-finding19%

H04LTransmission of digital information, e.g. telegraphic communication17%

H10DInorganic electric semiconductor devices6%

H04BTransmission5%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

C30BSingle-crystal growth2%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%

PatentTitleYear

10,716,024Methods and systems for ranging protocol2020 10,637,759Methods and systems for enhanced round trip time (RTT) exchange2020 10,458,391Single-frame impeller of wind turbine generator set2019 10,462,633Bluetooth based motion detection systems2019 10,439,785Distance measurement adjustment at a mobile device2019 10,379,196Unicast and broadcast protocol for wireless local area network ranging and direction finding2019 10,277,425Protection of ranging sounding signals from physical level attacks2019 10,247,808Location reporting for extremely high frequency (EHF) devices2019 10,209,863Method and apparatus for displaying cascading menu2019 10,200,097Enhanced antenna array training2019 10,182,360FTM protocol with angle of arrival and angle of departure2019 10,171,151Throughput optimization by guard interval selection from beamforming feedback2019 10,159,068FTM protocol enhancements for channel delay spread2018 10,142,781Methods and systems for a ranging protocol2018 10,135,638Protection of ranging sounding signals from physical level attacks2018 10,129,120Methods and systems for enhanced round trip time (RTT) exchange2018 10,064,077FTM protocol with angle of arrival and angle of departure2018 10,057,832FTM protocol with selectable acknowledgement format2018 9,971,014Access point-assisted positioning framework2018 9,973,949FTM protocol with angle of arrival and angle of departure2018 9,924,387'FTM protocol with angle of arrival and angle of departure'2018 9,923,792'Methods and systems for enhanced round trip time (RTT) exchange'2018 9,907,047'Passive positioning procedure and use of single burst ASAP FTM sessions'2018 9,907,044'IEEE 802.11 enhancements for high efficiency positioning'2018 9,867,004'Broadcast time-of-departure (TOD) frame format'2018 9,781,560'Ranging over multiple antennas'2017 9,730,179'Passive locationing over multiple channels'2017 9,699,052'Methods and systems for enhanced round trip time (RTT) exchange'2017 9,497,641'Cyclic shift delay detection using a classifier'2016 9,459,337'Methods and systems for enhanced round trip time (RTT) exchange'2016 9,432,964'Method and apparatus for determining locations of access points'2016 9,332,383'Time of arrival based positioning system'2016 9,332,523'Systems and methods of offloaded positioning for determining location of WLAN nodes'2016 9,312,281'TFT array substrate, LCD panel and wiring repairing method'2016 9,161,330'Method of enabling single chain ranging operations'2015 9,154,971'Methods and systems for enhanced round trip time (RTT) exchange'2015 9,144,134'Method for coating polyimide on liquid crystal display panel'2015 8,971,429'Cyclic shift delay detection using autocorrelations'2015 8,881,598'Pressure point inspection device'2014 8,837,316'RTT based ranging system and method'2014 8,824,325'Positioning technique for wireless communication system'2014 8,793,551'Serial concatenation of trellis coded modulation and an inner non-binary LDPC code'2014 8,755,304'Time of arrival based positioning for wireless communication systems'2014 8,669,295'Process for preparing methanol, dimethyl ether, and low carbon olefins from syngas'2014 8,660,203'Data reception using low density parity check coding and constellation mapping'2014 8,654,880'Data transmission using low density parity check coding and constellation mapping'2014 8,552,074'Process for preparing methanol, dimethyl ether, and low carbon olefins from syngas'2013 8,521,181'Time of arrival based positioning system'2013 8,489,114'Time difference of arrival based positioning system'2013 8,457,655'Hybrid time of arrival based positioning system'2013 8,022,408'Crystalline nanowire substrate, method of manufacturing the same, and method of manufacturing thin film transistor using the same'2011 8,012,819'Semiconductor device including gate stack formed on inclined surface and method of fabricating the same'2011 7,772,711'Semiconductor device including single crystal silicon layer'2010 7,714,330'Si nanowire substrate'2010 7,667,300'Semiconductor device including gate stack formed on inclined surface and method of fabricating the same'2010 7,662,678'Method of forming a more highly-oriented silicon layer and substrate having the same'2010 7,566,364'Method of fabricating orientation-controlled single-crystalline wire and method of fabricating transistor having the same'2009 7,560,317'Method of forming single crystalline silicon layer, structure including the same, and method of fabricating thin film transistor using the same'2009 7,557,411'Semi-conductor-on-insulator structure, semiconductor devices using the same and method of manufacturing the same'2009 7,297,615'Si nanowire substrate, method of manufacturing the same, and method of manufacturing thin film transistor using the same'2007 6,875,340'Process for adsorptive desulfurization of light oil distillates'2005 6,368,996'Hydrogenation catalyst and its preparation'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2014Patents assigned to RES INST PETROLEUM PROCESSING (4)· patent assignee history

2002–2014Based in Beijing, CN· patent location history

2007–2011Patents assigned to SAMSUNG ELECTRONICS CO LTD (10)· patent assignee history

2007–2011Based in Yongin-si, KR· patent location history

2013–2020Patents assigned to QUALCOMM INC (40)· patent assignee history

2013–2019Patents assigned to ZHANG XIAOXIN (16)· patent assignee history

2013–2015Patents assigned to ZHANG NING (7)· patent assignee history

2013–2020Based in Sunnyvale, CA, US· patent location history

2014–2016Based in Shenzhen, CN· patent location history

2016–2020Based in Fremont, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
QUALCOMM INC	40	2013–2020
ZHANG XIAOXINself	16	2013–2019
SAMSUNG ELECTRONICS CO LTD	10	2007–2011
ZHANG NING	7	2013–2015
RES INST PETROLEUM PROCESSING	4	2002–2014

Locations

Location	Patents	Span
Sunnyvale, California, US	22	2013–2020
Fremont, California, US	18	2016–2020
Yongin-si, KR	10	2007–2011
Beijing, CN	6	2002–2014
Shenzhen, CN	2	2014–2016