LI; Yen-Cheng

Patent Applications and Registrations

Patent applications and USPTO patent grants for LI; Yen-Cheng.The latest application filed is for "copolymer and blend".

Company Profile

3.11.13

LI; Yen-Cheng - Hsinchu City TW
Li; Yen-Cheng - Hsinchu TW
Li; Yen-Cheng - Taoyuan TW
Li; Yen-Cheng - Taoyuan Hsien TW
Li; Yen-Cheng - Sanchong City TW
Li; Yen-Cheng - Sanchung TW
Li, Yen-Cheng - Sanchung City TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Copolymer And Blend App 20220204676 - CHEN; Ping-Yen ; et al.	2022-06-30
Polyamide composition and film and method for manufacturing the same Grant 11,084,262 - Wu , et al. August 10, 2	2021-08-10
Polymer, Metal Removal Composition, And Method Of Removing Metal Ions App 20210238415 - TSAI; Min-Fei ; et al.	2021-08-05
Composite Film, Method For Fabricating The Same And Applications Thereof App 20200376821 - LEE; Chih-Hung ; et al.	2020-12-03
Multilayer composite membrane Grant 10,710,028 - Chung , et al.	2020-07-14
Composite film and manufacturing method for the same and battery comprising composite film Grant 10,601,013 - Lee , et al.	2020-03-24
Multilayer Composite Membrane App 20190388845 - Chung; Li-Han ; et al.	2019-12-26
Polyamide Composition And Film And Method For Manufacturing The Same App 20190322866 - WU; Jyh-Horng ; et al.	2019-10-24
Composite Film And Manufacturing Method For The Same And Battery Comprising Composite Film App 20190067661 - LEE; Chih-Hung ; et al.	2019-02-28
Negative-type photoresist composition for thick film and use thereof Grant 9,170,491 - Chen , et al. October 27, 2	2015-10-27
Silicone containing encapsulant Grant 8,138,276 - Chao , et al. March 20, 2	2012-03-20
Positive Photosensitive Resin Composition App 20110318686 - Li; Yen-Cheng ; et al.	2011-12-29
Developer Composition App 20110183261 - Li; Yen-Cheng ; et al.	2011-07-28
Polymerizable water-soluble or alcohol-soluble ultraviolet absorber Grant 7,915,322 - Hung , et al. March 29, 2	2011-03-29
Silicone containing encapsulant App 20110054076 - Chao; Tsung-Yi ; et al.	2011-03-03
Detergent composition Grant 7,879,786 - Bai , et al. February 1, 2	2011-02-01
Polymerizable water-soluble or alcohol-soluble ultraviolet absorber App 20090275717 - Hung; Chiu-Ming ; et al.	2009-11-05
Positive-tone photosensitivity resin composition App 20060177764 - Liao; Hsin-Ming ; et al.	2006-08-10
Monomer for chemical amplified photoresist compositions Grant 6,720,430 - Chen , et al. April 13, 2	2004-04-13
Chemical amplified photoresist compositions Grant 6,703,178 - Chen , et al. March 9, 2	2004-03-09
Chemical Amplified Photoresist Compositions App 20030232270 - Chen, Chi-Sheng ; et al.	2003-12-18
Monomer for chemical amplified photoresist compositions App 20030229234 - Chen, Chi-Sheng ; et al.	2003-12-11
Polymer for chemical amplified photoresist compositions Grant 6,639,035 - Chen , et al. October 28, 2	2003-10-28
Alicyclic dissolution inhibitors and positive potoresist composition containing the same Grant 6,265,131 - Chang , et al. July 24, 2	2001-07-24

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