Inventor · disambiguated record
Sang Duck Choi
Also filed as: CHOI SANG DUCK
0 granted patents·5 pending applications·0 citations·filing 2017–2023
Top patents by PatentIndex Score
5 records- 0131US2025219506A1System using cold heatNXN SYSTEMS INC·Filed 2023·Application pending·0 cites
- 0228US2025003641A1System and method for managing heat source by using cold energyNXN SYSTEMS INC·Filed 2022·Application pending·0 cites
- 0327US2018225987A1Method, system, and non-transitory computer-readable recording medium for supporting language learningCHOI SANG DUCK·Filed 2018·Application pending·0 cites
- 0426US2022414712A1Method and system for providing benefits for application, and non-transitory computer-readable recording mediumCHOI SANG DUCK·Filed 2018·Application pending·0 cites
- 0523US2018053434A1Method, system and non-transitory computer-readable recording medium for assisting learningCHOI SANG DUCK·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →