Inventor

Chang Liu

Inventor
Shanghai, CN

Overview

8→
Patents
2014–2019
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices33%
B05BSpraying apparatus10%
B05DProcesses for applying fluent materials to surfaces, in general10%
B41JTypewriters10%
F21SNon-portable lighting devices5%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%
G01DMeasuring not specially adapted for a specific variable5%
H01LSemiconductor devices5%
H05KPrinted circuits5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to LIU CHANG GUI (1)· patent assignee history
2014Patents assigned to SHENZHEN CLEAR ILLUNINATING TECHNOLOGY CO LTD (1)· patent assignee history
2014Based in Shenzhen, CN· patent location history
2015–2017Patents assigned to SEMICONDUCTOR MFG INT CORP (3)· patent assignee history
2015–2019Based in Shanghai, CN· patent location history
2016–2019Patents assigned to SEMICONDUCTOR MFG INT SHANGHAI CORP (4)· patent assignee history
2016Patents assigned to SEMICONDUCTOR MFG INT SHANGHAI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEMICONDUCTOR MFG INT SHANGHAI CORP42016–2019
SEMICONDUCTOR MFG INT CORP32015–2017
LIU CHANG GUIself12014
SEMICONDUCTOR MFG INT SHANGHAI12016
SHENZHEN CLEAR ILLUNINATING TECHNOLOGY CO LTD12014
Locations
LocationPatentsSpan
Shanghai, CN72015–2019
Shenzhen, CN12014