Inventor

Yong Xu

Inventor
Guangdong, CN

Overview

11→
Patents
1991–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
H01LSemiconductor devices13%
H10DInorganic electric semiconductor devices13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
A61BDiagnosis4%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems4%
C07DHeterocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to BEIJING CHINA RESEARCH INST OF (1)· patent assignee history
1991Patents assigned to CHINA PETROCHEMICAL CORP (1)· patent assignee history
1991–2010Based in Beijing, CN· patent location history
2001–2004Patents assigned to CALIFORNIA INST OF TECHN (4)· patent assignee history
2001–2003Based in Pasadena, CA, US· patent location history
2004Based in Royal Oak, MI, US· patent location history
2012Patents assigned to CAO ZHIPING (1)· patent assignee history
2017–2018Patents assigned to SHENZHEN CHINA STAR OPTOELECT (3)· patent assignee history
2017–2018Based in Guangdong, CN· patent location history
2018Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALIFORNIA INST OF TECHN42001–2004
SHENZHEN CHINA STAR OPTOELECT32017–2018
BEIJING CHINA RESEARCH INST OF11991
CAO ZHIPING12012
CHINA PETROCHEMICAL CORP11991
Locations
LocationPatentsSpan
Guangdong, CN22017–2018
Beijing, CN21991–2010
Royal Oak, MI, US22004
Pasadena, California, US22001–2003
Shenzhen, CN12018