LexDanaLexDanabeta
Inventor

Jui-Chung Chang

Inventor
Taichung, TW

Overview

4→
Patents
2006–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices50%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
LOC2417%
PatentTitleYear
D0871590Electrode patch20197,855,383'Semiconductor device and its manufacturing method'20107,129,026'Lithographic process for multi-etching steps by using single reticle'20067,071,045'Process of manufacturing thin film transistor'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2010Patents assigned to CHUNGHWA PICTURE TUBES LTD (2)· patent assignee history
2006Patents assigned to CHUNGWHA PICTURE TUBES LTD (1)· patent assignee history
2006Based in Taichung, TW· patent location history
2010Based in Jhubei City, TW· patent location history
2019Patents assigned to QT MEDICAL INC (1)· patent assignee history
2019Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHUNGHWA PICTURE TUBES LTD22006–2010
CHUNGWHA PICTURE TUBES LTD12006
QT MEDICAL INC12019
Locations
LocationPatentsSpan
Taichung, TW22006
Taipei, TW12019
Jhubei City, TW12010