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Inventor

Yi Liu

Inventor
Weymouth, MA, US

Overview

3→
Patents
2003–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Bprimary
C07BGeneral methods of organic chemistry25%
C07CAcyclic or carbocyclic compounds25%
C07DHeterocyclic compounds25%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
10,451,979Apparatus for EUV lithography and method of measuring focus20196,693,206'Hydrolytic kinetic resolution of epoxides'20046,639,087'Kinetic resolution method'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to RHODIA PHARMA SOLUTIONS INC (1)· patent assignee history
2003–2004Based in Weymouth, MA, US· patent location history
2004Patents assigned to RHODIA CHIREX INC (1)· patent assignee history
2019Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (1)· patent assignee history
2019Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RHODIA CHIREX INC12004
RHODIA PHARMA SOLUTIONS INC12003
TAIWAN SEMICONDUCTOR MFG CO LTD12019
Locations
LocationPatentsSpan
Weymouth, Massachusetts, US22003–2004
Hsinchu, TW12019