Inventor · disambiguated record
Sang Hoon Chang
Also filed as: CHANG SANG HOON
1 granted patent·1 pending application·1 citations·filing 2017–2022
15Inventor score
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2 records- 0164US10084565B1Apparatus and method for protecting communication device of railroad carKOREA RAILROAD RES INSTITUTE·Filed 2017·Granted Sep 25, 2018·1 cites·18 claims
- 0264US2023213863A1Compound, resist underlayer film composition including same, and resist underlayer filmDONGJIN SEMICHEM CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →