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Inventor

Keh-Wen Chang

Inventor
Miao-Li County, TW

Overview

3→
Patents
2009–2014
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices50%
G06FElectric digital data processing33%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
PatentTitleYear
8,683,395'Method and system for feed-forward advanced process control'20148,429,569'Method and system for feed-forward advanced process control'20137,564,556'Method and apparatus for lens contamination control'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2014Patents assigned to TAIWAN SEMICONDUCTOR MFG (3)· patent assignee history
2009–2014Based in Miao-Li County, TW· patent location history
2013Patents assigned to CHANG KEH-WEN (1)· patent assignee history
2013Patents assigned to CHUNG HSUEH-YI (1)· patent assignee history
2013Patents assigned to LIN CHUN-HUNG (1)· patent assignee history
2013Patents assigned to LIN JUIN-HUNG (1)· patent assignee history
2013Based in Chu-Dong Township, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIWAN SEMICONDUCTOR MFG32009–2014
CHANG KEH-WENself12013
CHUNG HSUEH-YI12013
LIN CHUN-HUNG12013
LIN JUIN-HUNG12013
Locations
LocationPatentsSpan
Miao-Li County, TW22009–2014
Chu-Dong Township, TW12013