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Inventor

Yi-Hsien Chang

Inventor
Changhua County, TW

Overview

3→
Patents
1993–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

A01Kprimary
A01KAnimal husbandry14%
B81BMicrostructural devices or systems, e.g. micromechanical devices14%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
H01LSemiconductor devices14%
H10DInorganic electric semiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
PatentTitleYear
11,099,152Backside CMOS compatible BioFET with no plasma induced damage202111,097,941Method of fabricating semiconductor structure20215,256,282'Aerator for an aquarium'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to CHANG YICHAO (1)· patent assignee history
1993Patents assigned to WAND LUPING (1)· patent assignee history
1993Based in Flushing, NY, US· patent location history
2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (2)· patent assignee history
2021Based in Changhua County, TW· patent location history
2021Based in Shetou Township, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG CO LTD22021
CHANG YICHAOself11993
WAND LUPING11993
Locations
LocationPatentsSpan
Changhua County, TW12021
Shetou Township, TW12021
Flushing, New York, US11993