Inventor
WU CHUNG-JEN
TW18 patents
⚠️ This page may combine multiple inventors who share the name “WU CHUNG-JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETERNAL MAT CO LTD
12 patentsUS9617223B2Apr 11, 2017
Base generator
ETERNAL MAT CO LTD2 citations69
US10280334B2May 7, 2019
Polyimides, coating composition formed therefrom and use thereof
ETERNAL MAT CO LTD1 citations61
US10995179B2May 4, 2021
Polyimide resin and metal-clad laminate comprising the same
ETERNAL MAT CO LTD1 citations57
US11319410B2May 3, 2022
Precursor for polyimide and use thereof
ETERNAL MAT CO LTD0 citations49
US11198792B2Dec 14, 2021
Method for preparing patterned coverlay on substrate
ETERNAL MAT CO LTD0 citations49
US11034797B2Jun 15, 2021
Polyimide precursor composition, use thereof and polyimide made therefrom
ETERNAL MAT CO LTD0 citations49
US10696793B2Jun 30, 2020
Process for preparing polyimides
ETERNAL MAT CO LTD0 citations46
US10590305B2Mar 17, 2020
Polyimide dry film and application thereof
ETERNAL MAT CO LTD0 citations46
US10765008B2Sep 1, 2020
Metal clad laminate, preparation method thereof, and method for preparing flexible circuit board by using the same
ETERNAL MAT CO LTD0 citations39
US10731004B2Aug 4, 2020
Polyimide precursor composition and use thereof
ETERNAL MAT CO LTD0 citations38
US10626220B2Apr 21, 2020
Precursor for polyimide and use thereof
ETERNAL MAT CO LTD0 citations38
US10639876B2May 5, 2020
Solvent-containing dry film and method for applying the same on a substrate
ETERNAL MAT CO LTD0 citations33
ETERNAL CHEMICAL CO LTD
2 patentsUS7989578B2Aug 2, 2011
Negative photosensitive polyimide polymer and uses thereof
ETERNAL CHEMICAL CO LTD36 citations91
US7790828B2Sep 7, 2010
Precursor solution for polyimide/silica composite material, its manufacture method, and polymide/silica composite material having low volume shrinkage
ETERNAL CHEMICAL CO LTD6 citations69