LexDanaLexDanabeta
Inventor

Cheng Tang

Inventor
Dongguan, CN

Overview

41→
Patents
2003–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 41 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television19%
G06TImage data processing or generation, in general15%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04WWireless communication networks11%
G06FElectric digital data processing8%
G06KGraphical data reading8%
G06VImage or video recognition or understanding8%
H01LSemiconductor devices3%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
PatentTitleYear
10,880,501Image sensor, output method, phase focusing method, imaging device, and terminal202010,810,422Method for iris recognition and related products202010,783,370Iris image acquisition method, mobile terminal and storage medium202010,785,160Congestion control method and apparatus202010,764,522Image sensor, output method, phase focusing method, imaging device, and terminal202010,747,987Electronic device and method for recognizing real face and storage medium202010,742,903Apparatus for imaging and terminal device202010,733,425Method and related product for recognizing live face202010,706,282Method and mobile terminal for processing image and storage medium202010,607,076Method for iris recognition and related products202010,559,070Image processing method and apparatus, and electronic device202010,559,069Image processing method and apparatus, and electronic device202010,531,019Image processing method and apparatus, and electronic device202010,438,320Image processing method and apparatus, and electronic device201910,390,225Mobile terminal security authentication method and system and mobile terminal201910,382,709Image processing method and apparatus, and electronic device201910,356,315Image processing method and apparatus, and electronic device201910,354,158Iris-based living-body detection method, mobile terminal and storage medium201910,348,962Image processing method and apparatus, and electronic device201910,339,632Image processing method and apparatus, and electronic device201910,298,495Packet forwarding method and apparatus201910,290,079Image processing method and apparatus, and electronic device201910,282,817Image processing method and apparatus, and electronic device201910,258,965Sulfur-resistant catalyst for aromatics saturated hydrogenation and preparation method thereof201910,262,395Image processing method and apparatus, and electronic device201910,252,255Method for preparing noble metal hydrogenation catalyst, noble metal hydrogenation catalyst and use thereof201910,249,021Image processing method and apparatus, and electronic device201910,165,205Image processing method and apparatus, and electronic device201810,110,809Control method and apparatus, and electronic device20189,112,825'Performance monitoring of a media player launched by a web browser'20158,464,044'Wireless network probe system and method'20138,433,324'Portable electronic device and position tracking method of the device'20138,117,658'Access point, mobile station, and method for detecting attacks thereon'20127,876,699'Mobile station and method for verifying access points thereof'20117,636,342'WLAN device and method for numbering frames with sequence numbers'20097,577,423'System and method for identifying access point'20097,577,112'Method for transmitting information of a mobile station through a WLAN'20097,574,199'Mobile station and method for detecting attacks in a power save mode for the same'20097,441,698'Method for increasing security of plaintext authentication in wireless local area network'20086,839,348'System and method for distributing multicasts in virtual local area networks'20056,553,028'Method and apparatus for multicast switching using a centralized switching engine'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2005Patents assigned to CISCO TECH IND (2)· patent assignee history
2008–2013Patents assigned to HON HAI PREC IND CO LTD (9)· patent assignee history
2008–2019Based in Shenzhen, CN· patent location history
2011–2013Based in Taipei, TW· patent location history
2012–2013Patents assigned to TANG CHENG-WEN (3)· patent assignee history
2015–2020Based in Beijing, CN· patent location history
2018–2020Patents assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (24)· patent assignee history
2018–2020Based in Dongguan, CN· patent location history
2018–2020Based in Guangdong, CN· patent location history
2019–2020Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD242018–2020
HON HAI PREC IND CO LTD92008–2013
TANG CHENG-WENself32012–2013
CISCO TECH IND22003–2005
HUAWEI TECH CO LTD22019–2020
Locations
LocationPatentsSpan
Dongguan, CN152018–2020
Guangdong, CN82018–2020
Shenzhen, CN62008–2019
Beijing, CN32015–2020
Taipei, TW32011–2013