Choong Hyun CHOI

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Physicochemical water treatment process using microfiber filter coa...
- Patent number 11,613,476
- Issue date Mar 28, 2023
- ROPEN Co., Ltd.
- Choong Hyun Choi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
SEWAGE TREATMENT SYSTEM USING MULTISTAGE LONG-FIBER FILTERING DEVIC...
- Publication number 20190308898
- Publication date Oct 10, 2019
- ROPEN CO., LTD.
- Choong Hyun CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL