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Inventor

Huajun Cao

Inventor
Tianjin, CN

Overview

6→
Patents
2009–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 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 communication11%
H04WWireless communication networks11%
B24BMachines, devices, or processes for grinding or polishing6%
B24DTools for grinding, buffing or sharpening6%
G01RMeasuring electric variables6%
G05FSystems for regulating electric or magnetic variables6%
G06FElectric digital data processing6%
G06KGraphical data reading6%
G06VImage or video recognition or understanding6%
G10LSpeech analysis techniques or speech synthesis6%
PatentTitleYear
11,043,897Current regulator202111,019,696Method and apparatus for operating a semiconductor light source202110,825,447Method and apparatus for optimizing model applicable to pattern recognition, and terminal device202010,695,889Multi-angle two-dimensional ultrasonic vibration assisted nanofluid micro-lubrication grinding device20207,649,995'Method and device for authenticating MS that has an R-UIM by using CAVE algorithm'20107,607,013'Method and apparatus for access authentication in wireless mobile communication system'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2010Patents assigned to BEIJING SAMSUNG TELECOM R&D CT (2)· patent assignee history
2009–2010Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history
2009–2010Based in Beijing, CN· patent location history
2020Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2020Patents assigned to UNIV QINGDAO TECHNOLOGICAL (1)· patent assignee history
2020Based in Shenzhen, CN· patent location history
2020Based in Qingdao, CN· patent location history
2021Patents assigned to DIALOG SEMICONDUCTOR UK LTD (2)· patent assignee history
2021Based in Tianjin, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING SAMSUNG TELECOM R&D CT22009–2010
DIALOG SEMICONDUCTOR UK LTD22021
SAMSUNG ELECTRONICS CO LTD22009–2010
HUAWEI TECH CO LTD12020
UNIV QINGDAO TECHNOLOGICAL12020
Locations
LocationPatentsSpan
Tianjin, CN22021
Beijing, CN22009–2010
Shenzhen, CN12020
Qingdao, CN12020