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Inventor

Yu-Lien Chou

Inventor
Guangdong, CN

Overview

2→
Patents
2015–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

C23Fprimary
C23FNon-mechanical removal of metallic material from surface33%
H01LSemiconductor devices33%
H10DInorganic electric semiconductor devices33%
PatentTitleYear
10,246,783Copper etchant solution additives and method for producing copper etchant solution20198,962,403'Manufacturing method for switch and array substrate using etching solution comprising amine'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2019Patents assigned to SHENZHEN CHINA STAR OPTOELECT (2)· patent assignee history
2015Based in Shenzhen, CN· patent location history
2019Based in Guangdong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHENZHEN CHINA STAR OPTOELECT22015–2019
Locations
LocationPatentsSpan
Guangdong, CN12019
Shenzhen, CN12015