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Inventor

Wenlin Zhang

Inventor
Guangdong, CN

Overview

49→
Patents
2003–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 49 as inventor

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

H04Wprimary
H04WWireless communication networks23%
H04LTransmission of digital information, e.g. telegraphic communication17%
H01LSemiconductor devices6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
E21BEarth or rock drilling5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
H10DInorganic electric semiconductor devices5%
G06FElectric digital data processing4%
H04BTransmission3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
PatentTitleYear
10,795,478Array substrate and preparation method therefor, and display apparatus202010,629,834Thin film transistor, method for preparing the same, and display device202010,496,868Optical detector, fabrication method thereof, fingerprint recognition sensor, and display device201910,353,417Ripple pre-amplification based fully integrated low dropout regulator201910,113,398Fuel cell apparatus and method for downhole power systems20189,971,437Array substrate, display device having the same, and manufacturing method thereof20189,835,921Array substrate, manufacturing method thereof and display device20179,804,117'CO2 concentration measurement in dry gas mixtures'20179,705,007'Thin film transistor and fabrication method thereof, and display device'20179,681,294'Method for managing local terminal equipment accessing a network'20179,640,593'Touch organic light emitting diode display device and manufacturing method thereof'20179,582,126'Double-sided touch display device'20179,509,431'Method and apparatus for controlling an optical network unit to restart upon completion of downloading new software'20169,392,435'Method, system and apparatus for accessing a visited network'20169,312,557'Fuel cell apparatus and method for downhole power systems'20169,153,283'Data storage device compensating for hysteretic response of microactuator'20158,958,169'Data storage device re-qualifying state estimator while decelerating head'20158,917,710'Process method about the service connection between the wireless local area network and user terminal'20148,891,498'Method for wireless network re-selection in a plurality of networks environment'20148,776,184'Method, system and apparatus for accessing a visited network'20148,559,925'Interacting method for UE fast selecting mobile communication network to access in a WLAN interworking network'20138,503,412'Process method about the service connection between the wireless local area network and user terminal'20138,276,380'Zero emission natural gas power and liquefaction plant'20128,275,355'Method for roaming user to establish security association with visited network application server'20128,208,898'Method for managing local terminal equipment accessing a network'20128,102,828'Method and system for establishing tunnel in WLAN'20128,077,688'Method of user access authorization in wireless local area network'20117,953,421'Disposal method of location information request in location service'20117,904,087'Method and system for WLAN user equipment accessing new operation network'20117,899,441'Method for resolving and accessing selected service in wireless local area network'20117,822,407'Method for selecting the authentication manner at the network side'20107,778,637'Method for user terminal accessing home network quickly in wireless local area network'20107,706,793'Optimized interaction method of user terminal selecting access mobile network in wireless local area network'20107,689,203'Method for implementing roaming charging and system thereof'20107,633,918'Method for releasing a service tunnel in a wireless local area network'20097,607,303'Zero emission natural gas power and liquefaction plant'20097,519,036'Method of user access authorization in wireless local area network'20097,509,132'Method of sending a location report from target user equipment'20097,457,621'Method for preventing wireless local area network from frequent network selection interaction'20087,450,554'Method for establishment of a service tunnel in a WLAN'20087,349,711'Method of counting the number of multimedia broadcasting multicast service subscribers'20087,319,873'Gateway home location register and method of exchanging subscriber routing information using the same'20087,298,726'Process method about the service connection between the wireless local area network and user terminal'20077,277,698'Proxy for calls to roaming subscriber and proxy method for calls to roaming subscriber'20077,224,699'Wireless local area network access gateway and method for ensuring network security therewith'20077,096,955'Long duration fuel cell system'20067,069,998'Fuel cell for downhole and subsea power systems'20066,686,079'Fuel cell for downhole power systems'20046,575,248'Fuel cell for downhole and subsea power systems'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2018Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (9)· patent assignee history
2003–2006Based in Missouri City, TX, US· patent location history
2007–2017Patents assigned to HUAWEI TECH CO LTD (28)· patent assignee history
2007–2014Based in Guangdong, CN· patent location history
2007–2016Based in Shenzhen, CN· patent location history
2011–2017Patents assigned to ZHANG WENLIN (12)· patent assignee history
2012–2017Patents assigned to HUANG YINGXIN (3)· patent assignee history
2016–2018Based in Shanghai, CN· patent location history
2017–2020Patents assigned to BOE TECHNOLOGY GROUP CO LTD (8)· patent assignee history
2017–2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD282007–2017
ZHANG WENLINself122011–2017
SCHLUMBERGER TECHNOLOGY CORP92003–2018
BOE TECHNOLOGY GROUP CO LTD82017–2020
HUANG YINGXIN32012–2017
Locations
LocationPatentsSpan
Guangdong, CN132007–2014
Shenzhen, CN122007–2016
Beijing, CN92017–2020
Missouri City, Texas, US42003–2006
Shanghai, CN22016–2018