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Inventor

Ray-Ting Chang

Inventor
Taipei, TW

Overview

2→
Patents
2004–2015
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.

B24Dprimary
B24DTools for grinding, buffing or sharpening25%
C09GPolishing compositions25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
PatentTitleYear
RE045468'Barrier-slurry-free copper CMP process'20156,830,504'Barrier-slurry-free copper CMP process'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2015Patents assigned to TAIWAN SEMICONDUCTOR MFG (2)· patent assignee history
2004–2015Based in Taipei, TW· patent location history
2015Patents assigned to CHANG RAY-TING (1)· patent assignee history
2015Patents assigned to CHEN YI-CHEN (1)· patent assignee history
2015Patents assigned to TSAI CHING-MING (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG22004–2015
CHANG RAY-TINGself12015
CHEN YI-CHEN12015
TSAI CHING-MING12015
Locations
LocationPatentsSpan
Taipei, TW22004–2015