Seok-Hwan Choi

Person

Pohang-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Soft high-silicon steel sheet and manufacturing method thereof
- Patent number 11,505,845
- Issue date Nov 22, 2022
- Posco
- Dong-Kyun Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Capacitive-deionization-type nutritive salt removal system and meth...
- Patent number 11,274,051
- Issue date Mar 15, 2022
- Doosan Heavy Industries Construction Co., Ltd
- Hyun Sung Choi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for manufacturing capacitive deionization electrode and capa...
- Patent number 10,867,755
- Issue date Dec 15, 2020
- Doosan Heavy Industries Construction Co., Ltd.
- Jang Yong You
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Capacitive deionization apparatus and method for manufacturing the...
- Patent number 10,071,922
- Issue date Sep 11, 2018
- Doosan Heavy Industries & Construction Co., Ltd.
- Hyun Sung Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
WIRE ROD AND PART WITH IMPROVED DELAYED FRACTURE RESISTANCE, AND ME...
- Publication number 20240060162
- Publication date Feb 22, 2024
- POSCO Co., Ltd
- Youngsoo CHUN
- C21 - METALLURGY OF IRON
Information Patent Application
WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RE...
- Publication number 20240052453
- Publication date Feb 15, 2024
- POSCO Co., Ltd
- Junmo LEE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WIRE ROD AND PART, HAVING IMPROVED DELAYED FRACTURE RESISTANCE, FOR...
- Publication number 20240052454
- Publication date Feb 15, 2024
- POSCO Co., Ltd
- Youngsoo CHUN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WIRE ROD FOR ULTRAHIGH-STRENGTH SPRINGS, STEEL WIRE, AND MANUFACTUR...
- Publication number 20240052455
- Publication date Feb 15, 2024
- POSCO Co., Ltd
- Junmo LEE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WIRE ROD AND STEEL WIRE FOR HIGH STRENGTH SPRING, AND MANUFACTURING...
- Publication number 20220251675
- Publication date Aug 11, 2022
- POSCO
- Jun Mo Lee
- C21 - METALLURGY OF IRON
Information Patent Application
SOFT HIGH-SILICON STEEL SHEET AND MANUFACTURING METHOD THEREOF
- Publication number 20200048729
- Publication date Feb 13, 2020
- POSCO
- Dong-Kyun KIM
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING CAPACITIVE DEIONIZATION ELECTRODE AND CAPA...
- Publication number 20190066936
- Publication date Feb 28, 2019
- Doosan Heavy Industries & Construction Co., Ltd.
- Jang Yong You
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CAPACITIVE-DEIONIZATION-TYPE NUTRITIVE SALT REMOVAL SYSTEM AND METH...
- Publication number 20190062182
- Publication date Feb 28, 2019
- Doosan Heavy Industries & Construction Co., Ltd.
- Hyun Sung Choi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CAPACITIVE DEIONIZATION APPARATUS AND METHOD FOR MANUFACTURING THE...
- Publication number 20160326025
- Publication date Nov 10, 2016
- Doosan Heavy Industries & Construction Co., Ltd.
- Hyun Sung CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SOFT HIGH-SILICON STEEL SHEET AND MANUFACTURING METHOD THEREOF
- Publication number 20160319387
- Publication date Nov 3, 2016
- Posco
- Dong-Kyun KIM
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH SPEED HORIZONTAL ELECTROFORMING APPARATUS FOR MANUFACTURING ME...
- Publication number 20140360882
- Publication date Dec 11, 2014
- Hong-Joon Kim
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Seok-Hwan Choi

Person

Patents Grantslast 30 patents

Soft high-silicon steel sheet and manufacturing method thereof

Capacitive-deionization-type nutritive salt removal system and meth...

Method for manufacturing capacitive deionization electrode and capa...

Capacitive deionization apparatus and method for manufacturing the...

Patents Applicationslast 30 patents

WIRE ROD AND PART WITH IMPROVED DELAYED FRACTURE RESISTANCE, AND ME...

WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RE...

WIRE ROD AND PART, HAVING IMPROVED DELAYED FRACTURE RESISTANCE, FOR...

WIRE ROD FOR ULTRAHIGH-STRENGTH SPRINGS, STEEL WIRE, AND MANUFACTUR...

WIRE ROD AND STEEL WIRE FOR HIGH STRENGTH SPRING, AND MANUFACTURING...

SOFT HIGH-SILICON STEEL SHEET AND MANUFACTURING METHOD THEREOF

METHOD FOR MANUFACTURING CAPACITIVE DEIONIZATION ELECTRODE AND CAPA...

CAPACITIVE-DEIONIZATION-TYPE NUTRITIVE SALT REMOVAL SYSTEM AND METH...

CAPACITIVE DEIONIZATION APPARATUS AND METHOD FOR MANUFACTURING THE...

SOFT HIGH-SILICON STEEL SHEET AND MANUFACTURING METHOD THEREOF

HIGH SPEED HORIZONTAL ELECTROFORMING APPARATUS FOR MANUFACTURING ME...