Inventor · disambiguated record
Choong Hyun Choi
Also filed as: CHOI CHOONG HYUN
2 granted patents·3 pending applications·11 citations·filing 1998–2022
48Inventor score
Top patents by PatentIndex Score
5 records- 0144US11613476B1Physicochemical water treatment process using microfiber filter coated with coagulantROPEN CO LTD·Filed 2022·Granted Mar 28, 2023·0 cites·5 claims
- 0239US2022048163A1Variable box spanner capable of fastening and dissembling bolts of various sizes by using movable bolt head protrusion latch and adjustment screwMIRAETOOL CO LTD·Filed 2019·Application pending·0 cites
- 0328US5984108AFluid filtering system with variable filter layerFiled 1998·Granted Nov 16, 1999·11 cites·6 claims
- 0426US2019308898A1Sewage treatment system using multistage long-fiber filtering device, and treatment method thereofROPEN CO LTD·Filed 2017·Application pending·0 cites
- 0525US2002185430A1Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtrationFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →