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Inventor

Wen-Chang Shih

Inventor
Taichung, TW

Overview

14→
Patents
2003–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing42%
B24DTools for grinding, buffing or sharpening19%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
Y10TTechnical subjects covered by former us classification13%
B29CShaping or joining of plastics6%
H05BElectric heating3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
PatentTitleYear
10,239,182Polishing pad and polishing method20198,480,773'Method of fabricating a polishing pad'20138,016,647'Polishing pad and method thereof'20117,875,335'Method of fabricating polishing pad having detection window thereon'20117,604,530'Inlaid polishing pad'20097,335,094'Single-layer polishing pad and method of producing the same'20087,285,233'Method of manufacturing polishing pad'20077,258,602'Polishing pad having grooved window therein and method of forming the same'20077,241,408'Method of fabricating polishing pad having detection window thereon'20077,208,111'Method of producing inlaid polishing pad'20077,132,070'Method of manufacturing polishing pad'20067,131,901'Polishing pad and fabricating method thereof'20067,101,501'Single-layer polishing pad and method producing the same'20066,521,873'Heating substrate'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2019Based in Taichung, TW· patent location history
2006–2013Patents assigned to IV TECHNOLOGIES CO LTD (11)· patent assignee history
2007Patents assigned to I V TECHNOLOGIES CO LTD (1)· patent assignee history
2007Based in Taipei, TW· patent location history
2013Patents assigned to CHANG SHEN-YU (1)· patent assignee history
2013Patents assigned to CHANG YUNG-CHUNG (1)· patent assignee history
2019Patents assigned to IV TECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IV TECHNOLOGIES CO LTD112006–2013
CHANG SHEN-YU12013
CHANG YUNG-CHUNG12013
I V TECHNOLOGIES CO LTD12007
IV TECH CO LTD12019
Locations
LocationPatentsSpan
Taichung, TW132003–2019
Taipei, TW12007