Inventor · disambiguated record
En Ming Chang
Also filed as: Chang en-ming
1 granted patent·1 pending application·0 citations·filing 2022–2022
12Inventor score
Files withYUANHAN MAT INC2
Top patents by PatentIndex Score
2 records- 0153US11851387B2Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivativeYUANHAN MAT INC·Filed 2022·Granted Dec 26, 2023·0 cites·5 claims
- 0239US2023038651A1Environmentally friendly photoresist removing composition and method for using the sameYUANHAN MAT INC·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →