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Inventor

Qingyu Li

Inventor
Shenzhen, CN

Overview

9→
Patents
2004–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Wprimary
H04WWireless communication networks44%
H04LTransmission of digital information, e.g. telegraphic communication38%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
H04MTelephonic communication6%
PatentTitleYear
10,412,646Method and system for transferring user equipment in mobile communication system20199,894,576'Method and system for transferring user equipment in mobile communication system'20189,215,625'Method and system for transferring user equipment in mobile communication system'20158,989,139'Generic access network and method for implementing services by using generic access network'20158,817,751'Method, device and system of handover'20148,670,426'Method and system for transferring user equipment in mobile communication system'20148,509,200'Method and system for transferring user equipment in mobile communication system'20136,765,635'Apparatus and method for achromatic liquid crystal electro-optic modulation'20046,747,774'Apparatus and method for controlling optical gain profiles'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to COADNA PHOTONICS INC (2)· patent assignee history
2004Based in Cupertino, CA, US· patent location history
2013–2019Patents assigned to HUAWEI TECH CO LTD (7)· patent assignee history
2013–2015Patents assigned to LI QINGYU (3)· patent assignee history
2013–2015Based in Shenzhen, CN· patent location history
2014–2015Patents assigned to DUAN XIAOQIN (2)· patent assignee history
2014–2015Patents assigned to WU XIAOBO (2)· patent assignee history
2014–2018Based in Beijing, CN· patent location history
2019Based in Bonn, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD72013–2019
LI QINGYUself32013–2015
COADNA PHOTONICS INC22004
DUAN XIAOQIN22014–2015
WU XIAOBO22014–2015
Locations
LocationPatentsSpan
Shenzhen, CN42013–2015
Beijing, CN22014–2018
Cupertino, California, US22004
Bonn, DE12019