Inventor

Haijun Niu

Inventor
Beijing, CN

Overview

5→
Patents
2014–2021
Patent span
Physics
Primary field (CPC G)

Patents· 5 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 therein22%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
G02BOptical elements, systems or apparatus11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices11%
G09GArrangements or circuits for control of indicating devices using static means to present variable information11%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04MTelephonic communication11%
H04WWireless communication networks11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to BURCHFIELD DAVID E (1)· patent assignee history
2014Patents assigned to HAMILTON SUNDSTRAND CORP (1)· patent assignee history
2014Patents assigned to HEPPNER RICHARD A (1)· patent assignee history
2014Patents assigned to NIU H WILLIAM (1)· patent assignee history
2014Based in Rowland Heights, CA, US· patent location history
2016Based in Shenzhen, CN· patent location history
2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (3)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOE TECHNOLOGY GROUP CO LTD32021
BURCHFIELD DAVID E12014
HAMILTON SUNDSTRAND CORP12014
HEPPNER RICHARD A12014
NIU H WILLIAMself12014
Locations
LocationPatentsSpan
Beijing, CN32021
Shenzhen, CN12016
Rowland Heights, California, US12014