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Inventor

Haijun Liu

Inventor
Shenzhen, CN

Overview

14→
Patents
2010–2020
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G06Fprimary
G06FElectric digital data processing15%
H04NPictorial communication, e.g. television11%
G02BOptical elements, systems or apparatus7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G06KGraphical data reading7%
G06VImage or video recognition or understanding7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H04WWireless communication networks7%
LOC167%
G08CTransmission systems for measured values, control or similar signals4%
PatentTitleYear
D0901572Network camera2020D0901571Network camera202010,591,999Hand gesture recognition method, device, system, and computer storage medium202010,198,083Hand gesture recognition method, device, system, and computer storage medium201910,013,067Gesture control method, apparatus and system20189,712,865'Method, device and system for switching back transferred-for-play digital media content'20178,694,003'LTE RRC connection re-establishment requesting method, cause value setting method and terminal'20148,625,541'Seamless session switching method and mobile terminal'20148,553,530'Operating state control in redundancy protection systems'20138,503,693'Biology-inspired miniature system and method for sensing and localizing acoustic signals'20138,100,572'Light guide device'20127,993,026'Light source and backlight module with the same'20117,854,533'Light source and backlight module with the same'20107,792,260'Method for protecting incoming calls in coloring ring back tone service'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2020Patents assigned to ZTE CORP (7)· patent assignee history
2010–2020Based in Shenzhen, CN· patent location history
2010–2012Based in Beijing, CN· patent location history
2011–2012Patents assigned to BEIJING BOE OPTOELECTRONICS (2)· patent assignee history
2012–2014Patents assigned to LIU HAIJUN (5)· patent assignee history
2013Patents assigned to DRAGONWAVE INC (1)· patent assignee history
2013Based in Ottawa, CA· patent location history
2013Based in Greenbelt, MD, US· patent location history
2020Patents assigned to SHENZHEN FOSCAM INTELLIGENT TECH CO LTD (2)· patent assignee history
2020Based in Guangdong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZTE CORP72010–2020
LIU HAIJUNself52012–2014
BEIJING BOE OPTOELECTRONICS22011–2012
SHENZHEN FOSCAM INTELLIGENT TECH CO LTD22020
DRAGONWAVE INC12013
Locations
LocationPatentsSpan
Shenzhen, CN72010–2020
Beijing, CN32010–2012
Guangdong, CN22020
Ottawa, CA12013
Greenbelt, Maryland, US12013