Inventor

Yung Feng Chang

Inventor
Hsinchu, TW

Overview

7→
Patents
2017–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices29%
H01LSemiconductor devices24%
G06FElectric digital data processing19%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1019%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H05KPrinted circuits5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to NAT UNIV TSING HUA (1)· patent assignee history
2017Based in Changhua County, TW· patent location history
2018–2020Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (6)· patent assignee history
2018–2019Based in Hsinchu County, TW· patent location history
2019–2020Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG CO LTD62018–2020
NAT UNIV TSING HUA12017
Locations
LocationPatentsSpan
Hsinchu, TW32019–2020
Hsinchu County, TW32018–2019
Changhua County, TW12017