Guk-Won LEE

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Patents Grantslast 30 patents

Information Patent Grant
Electrodeionization filter
- Patent number 12,064,728
- Issue date Aug 20, 2024
- Coway Co., Ltd.
- Sang-Young Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Deionization filter device and water treatment device comprising de...
- Patent number 10,815,136
- Issue date Oct 27, 2020
- Coway Co., Ltd.
- Sung-Min Moon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BIPOLAR ION EXCHANGE MEMBRANE USING HETEROGENEOUS ION EXCHANGE MEMB...
- Publication number 20210106948
- Publication date Apr 15, 2021
- COWAY CO., LTD.
- Guk-Won LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTRODEIONIZATION FILTER
- Publication number 20200406195
- Publication date Dec 31, 2020
- COWAY CO., LTD.
- Sang-Young LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEIONIZATION FILTER DEVICE AND WATER TREATMENT DEVICE COMPRISING DE...
- Publication number 20180326356
- Publication date Nov 15, 2018
- COWAY CO., LTD.
- Sung-Min MOON
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE