Inventor

Huayi Zhang

Inventor
Beijing, CN

Overview

13→
Patents
2003–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H04Bprimary
H04BTransmission17%
H01JElectric discharge tubes or discharge lamps13%
H04JMultiplex communication13%
A61LMethods or apparatus for sterilising materials or objects in general10%
A01MCatching, trapping or scaring of animals7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
H04QSelecting7%
H05GX-ray technique7%
B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for3%
G01VGeophysics3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2017Patents assigned to UNIV TSINGHUA (8)· patent assignee history
2003–2017Patents assigned to NUCTECH CO LTD (7)· patent assignee history
2003–2017Based in Beijing, CN· patent location history
2013Patents assigned to CHEN ZHIQIANG (1)· patent assignee history
2013Patents assigned to HU HAIFENG (1)· patent assignee history
2021Patents assigned to CABLE TELEVISION LABORATORIES INC (5)· patent assignee history
2021Based in Broomfield, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV TSINGHUA82003–2017
NUCTECH CO LTD72003–2017
CABLE TELEVISION LABORATORIES INC52021
CHEN ZHIQIANG12013
HU HAIFENG12013
Locations
LocationPatentsSpan
Beijing, CN82003–2017
Broomfield, CO, US52021