Inventor

Chein-Dhau Lee

Inventor

Hsinchu, TW

Overview

8→

Patents

1991–2006

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%

C09KMaterials for miscellaneous applications, not provided for elsewhere20%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Y10TTechnical subjects covered by former us classification10%

C07CAcyclic or carbocyclic compounds5%

C08JWorking-up5%

G02BOptical elements, systems or apparatus5%

PatentTitleYear

7,132,137'Vertical alignment polyimide and vertical alignment film compositions for LCD'2006 6,562,420'Liquid crystal aligning film'2003 6,562,422'Polymer for optical compensatory films for display panels'2003 6,265,520'Solvent soluble polyimide and a method for making thereof'2001 6,080,832'Low-pretilt alignment layer material'2000 5,462,695'Chiral liquid crystal materials as dopant for ferroelectric liquid crystal compositions'1995 5,153,102'Alkalline-solution-developable liquid photographic composition'1992 5,011,762'Photosensitive compositions having enhanced photopolymerization rate'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2006Patents assigned to IND TECH RES INST (8)· patent assignee history

1991–2006Based in Hsinchu, TW· patent location history

2001–2003Based in Hsinchu County, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IND TECH RES INST	8	1991–2006

Locations

Location	Patents	Span
Hsinchu, TW	6	1991–2006
Hsinchu County, TW	2	2001–2003