Yeon Seok Choo

Person

Daejeon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for producing diester-based composition
- Patent number 12,221,412
- Issue date Feb 11, 2025
- LG Chem, Ltd.
- Yeon Uk Choo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for manufacturing diester-based composition
- Patent number 12,186,729
- Issue date Jan 7, 2025
- LG Chem, Ltd.
- Yeon Uk Choo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Diester-based material production unit and diester-based material p...
- Patent number 12,122,747
- Issue date Oct 22, 2024
- LG Chem, Ltd.
- Jae Hun Jeong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous production method of diester-based material
- Patent number 12,084,413
- Issue date Sep 10, 2024
- LG Chem, Ltd.
- Jae Hun Jeong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Neutralization/water separation device for esterified product and n...
- Patent number 11,975,991
- Issue date May 7, 2024
- LG Chem, Ltd.
- Yeon Uk Choo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Heat exchange system and preparation system of diester-based compos...
- Patent number 11,794,162
- Issue date Oct 24, 2023
- LG Chem, Ltd.
- Jae Hun Jeong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing ethylene
- Patent number 11,485,692
- Issue date Nov 1, 2022
- LG Chem, Ltd.
- Tae Woo Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing ethylene and apparatus for preparing ethylene
- Patent number 11,286,216
- Issue date Mar 29, 2022
- LG Chem, Ltd.
- Tae Woo Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Distillation device and distillation method
- Patent number 11,103,803
- Issue date Aug 31, 2021
- LG Chem, Ltd.
- Tae Woo Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective distillation apparatus and distillation method
- Patent number 10,918,968
- Issue date Feb 16, 2021
- LG Chem, Ltd.
- Tae Woo Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purifying phenol
- Patent number 10,766,843
- Issue date Sep 8, 2020
- LG Chem, Ltd.
- Sung-Kyun Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Distillation device
- Patent number 10,486,080
- Issue date Nov 26, 2019
- LG Chem, Ltd.
- Yeon Uk Choo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing ethylene with improved energy efficiency
- Patent number 10,294,177
- Issue date May 21, 2019
- LG Chem, Ltd.
- Sung-Kyun Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pressure compensation device and ECU module including the same
- Patent number 9,736,953
- Issue date Aug 15, 2017
- Hyundai Autron Co., Ltd.
- Sun-Jae Yang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic control apparatus for vehicle using coupling member and...
- Patent number 9,510,466
- Issue date Nov 29, 2016
- Hyundai Autron Co., Ltd.
- Sun Jae Yang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic control apparatus for vehicle using water proof type hou...
- Patent number 9,474,170
- Issue date Oct 18, 2016
- Hyundai Autron Co., Ltd.
- Chang Ju Kim
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic control apparatus for vehicle using overmolding and manu...
- Patent number 9,313,932
- Issue date Apr 12, 2016
- Hyundai Autron Co., Ltd.
- Yeon Chul Choo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic control device for vehicle
- Patent number 9,281,607
- Issue date Mar 8, 2016
- Hyundai Autron Co., Ltd.
- Dong Gi Lee
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System and method for estimating long term characteristics of battery
- Patent number 9,255,973
- Issue date Feb 9, 2016
- LG Chem, Ltd.
- Hyun-Kon Song
- G01 - MEASURING TESTING
Information Patent Grant
Agitator and agitating hook provided therein
- Patent number 9,144,776
- Issue date Sep 29, 2015
- LG Chem, Ltd.
- Yeon Seok Choo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Agitator and agitating hook provided therein
- Patent number 8,961,001
- Issue date Feb 24, 2015
- LG Chem, Ltd.
- Yeon Seok Choo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Battery pack of excellent structural stability
- Patent number 8,808,896
- Issue date Aug 19, 2014
- LG Chem, Ltd.
- Yeon Seok Choo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery pack of excellent structural stability
- Patent number 8,728,648
- Issue date May 20, 2014
- LG Chem, Ltd.
- Yeon Seok Choo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Device and method for monitoring water level
- Patent number 8,630,449
- Issue date Jan 14, 2014
- UDP Technology Ltd.
- Yeon Hak Choo
- G08 - SIGNALLING
Information Patent Grant
System and method for estimating long term characteristics of battery
- Patent number 8,412,658
- Issue date Apr 2, 2013
- LG Chem, Ltd.
- Hyun-Kon Song
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR PREPARING DIESTER-BASED COMPOSITION
- Publication number 20250065292
- Publication date Feb 27, 2025
- LG CHEM, LTD.
- Yeon Uk CHOO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method for Controlling Reaction in Continuous Production Process of...
- Publication number 20250042835
- Publication date Feb 6, 2025
- LG CHEM, LTD.
- Yeon Uk CHOO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HEAT INTEGRATION SEPARATION SYSTEM
- Publication number 20240058722
- Publication date Feb 22, 2024
- LG CHEM, LTD.
- Yong Suk CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF MANUFACTURING DIESTER-BASED COMPOUND
- Publication number 20230348355
- Publication date Nov 2, 2023
- LG CHEM, LTD.
- Jae Hun JEONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF MANUFACTURING DIESTER-BASED COMPOUND
- Publication number 20230150911
- Publication date May 18, 2023
- LG CHEM, LTD.
- Jae Hun JEONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PREPARING DIESTER-BASED MATERIAL
- Publication number 20230150910
- Publication date May 18, 2023
- LG CHEM, LTD.
- Jae Hun JEONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Controlling Reaction in Continuous Production Process of...
- Publication number 20220402853
- Publication date Dec 22, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PREPARING DIESTER-BASED MATERIAL
- Publication number 20220371984
- Publication date Nov 24, 2022
- LG CHEM, LTD.
- Jae Hun JEONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR PRODUCING DIESTER-BASED COMPOSITION
- Publication number 20220356144
- Publication date Nov 10, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUS AND METHOD FOR ESTERIFICATION REACTION
- Publication number 20220314186
- Publication date Oct 6, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DIESTER-BASED MATERIAL PRODUCTION UNIT AND DIESTER-BASED MATERIAL P...
- Publication number 20220220058
- Publication date Jul 14, 2022
- LG CHEM, LTD.
- Jae Hun JEONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR PRODUCING DIESTER-BASED COMPOSITION
- Publication number 20220212157
- Publication date Jul 7, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DIESTER-BASED MATERIAL PRODUCTION UNIT AND DIESTER-BASED MATERIAL P...
- Publication number 20220213019
- Publication date Jul 7, 2022
- LG CHEM, LTD.
- Jae Hun JEONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HEAT EXCHANGE SYSTEM AND PREPARATION SYSTEM OF DIESTER-BASED COMPOS...
- Publication number 20220203323
- Publication date Jun 30, 2022
- LG CHEM, LTD.
- Jae Hun JEONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NEUTRALIZATION/WATER SEPARATION TANK FOR ESTERIFIED PRODUCT AND NEU...
- Publication number 20220193574
- Publication date Jun 23, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CONTINUOUS PRODUCTION METHOD OF DIESTER-BASED MATERIAL
- Publication number 20220185761
- Publication date Jun 16, 2022
- LG CHEM, LTD.
- Jae Hun JEONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NEUTRALIZATION/WATER SEPARATION DEVICE FOR ESTERIFIED PRODUCT AND N...
- Publication number 20220177407
- Publication date Jun 9, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR MANUFACTURING DIESTER-BASED COMPOSITION
- Publication number 20220177404
- Publication date Jun 9, 2022
- LG CHEM, LTD.
- Yeon Uk CHOO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ETHYLENE AND APPARATUS FOR PREPARING ETHYLENE
- Publication number 20210363074
- Publication date Nov 25, 2021
- LG CHEM, LTD.
- Tae Woo Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SELECTIVE DISTILLATION APPARATUS AND DISTILLATION METHOD
- Publication number 20200276517
- Publication date Sep 3, 2020
- LG CHEM, LTD.
- Tae Woo KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING ETHYLENE
- Publication number 20200216373
- Publication date Jul 9, 2020
- LG CHEM, LTD.
- Tae Woo KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DISTILLATION DEVICE AND DISTILLATION METHOD
- Publication number 20200179820
- Publication date Jun 11, 2020
- LG CHEM, LTD.
- Tae Woo KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING PHENOL
- Publication number 20200079716
- Publication date Mar 12, 2020
- LG CHEM, LTD.
- Sung-Kyun KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING ETHYLENE WITH IMPROVED ENERGY EFFICIENCY
- Publication number 20190152879
- Publication date May 23, 2019
- LG CHEM, LTD.
- Sung-Kyun KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ETHYLENE WITH IMPROVED ENERGY EFFICIENCY
- Publication number 20180297915
- Publication date Oct 18, 2018
- LG CHEM, LTD.
- Sung-Kyun KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DISTALLATION DEVICE (AMENDED)
- Publication number 20180169542
- Publication date Jun 21, 2018
- LG CHEM, LTD.
- Yeon Uk CHOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DISTILLATION DEVICE
- Publication number 20170225100
- Publication date Aug 10, 2017
- LG CHEM, LTD.
- Yeon Uk CHOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRESSURE COMPENSATION DEVICE AND ECU MODULE INCLUDING THE SAME
- Publication number 20160157390
- Publication date Jun 2, 2016
- HYUNDAI AUTRON CO., LTD.
- Sun-Jae YANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC CONTROL APPARATUS FOR VEHICLE USING COUPLING MEMBER AND...
- Publication number 20160095235
- Publication date Mar 31, 2016
- HYUNDAI AUTRON CO., LTD.
- Sun Jae YANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC CONTROL DEVICE FOR VEHICLE
- Publication number 20150146347
- Publication date May 28, 2015
- HYUNDAI AUTRON CO., LTD.
- Dong Gi Lee
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Yeon Seok Choo

Person

Patents Grantslast 30 patents

System and method for producing diester-based composition

System and method for manufacturing diester-based composition

Diester-based material production unit and diester-based material p...

Continuous production method of diester-based material

Neutralization/water separation device for esterified product and n...

Heat exchange system and preparation system of diester-based compos...

Method for preparing ethylene

Method for preparing ethylene and apparatus for preparing ethylene

Distillation device and distillation method

Selective distillation apparatus and distillation method

Method for purifying phenol

Distillation device

Method for preparing ethylene with improved energy efficiency

Pressure compensation device and ECU module including the same

Electronic control apparatus for vehicle using coupling member and...

Electronic control apparatus for vehicle using water proof type hou...

Electronic control apparatus for vehicle using overmolding and manu...

Electronic control device for vehicle

System and method for estimating long term characteristics of battery

Agitator and agitating hook provided therein

Agitator and agitating hook provided therein

Battery pack of excellent structural stability

Battery pack of excellent structural stability

Device and method for monitoring water level

System and method for estimating long term characteristics of battery

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR PREPARING DIESTER-BASED COMPOSITION

Method for Controlling Reaction in Continuous Production Process of...

HEAT INTEGRATION SEPARATION SYSTEM

METHOD OF MANUFACTURING DIESTER-BASED COMPOUND

METHOD OF MANUFACTURING DIESTER-BASED COMPOUND

METHOD OF PREPARING DIESTER-BASED MATERIAL

Method for Controlling Reaction in Continuous Production Process of...

METHOD OF PREPARING DIESTER-BASED MATERIAL

SYSTEM AND METHOD FOR PRODUCING DIESTER-BASED COMPOSITION

APPARATUS AND METHOD FOR ESTERIFICATION REACTION

DIESTER-BASED MATERIAL PRODUCTION UNIT AND DIESTER-BASED MATERIAL P...

SYSTEM AND METHOD FOR PRODUCING DIESTER-BASED COMPOSITION

DIESTER-BASED MATERIAL PRODUCTION UNIT AND DIESTER-BASED MATERIAL P...

HEAT EXCHANGE SYSTEM AND PREPARATION SYSTEM OF DIESTER-BASED COMPOS...

NEUTRALIZATION/WATER SEPARATION TANK FOR ESTERIFIED PRODUCT AND NEU...

CONTINUOUS PRODUCTION METHOD OF DIESTER-BASED MATERIAL

NEUTRALIZATION/WATER SEPARATION DEVICE FOR ESTERIFIED PRODUCT AND N...

SYSTEM AND METHOD FOR MANUFACTURING DIESTER-BASED COMPOSITION

METHOD FOR PREPARING ETHYLENE AND APPARATUS FOR PREPARING ETHYLENE

SELECTIVE DISTILLATION APPARATUS AND DISTILLATION METHOD

METHOD FOR PREPARING ETHYLENE

DISTILLATION DEVICE AND DISTILLATION METHOD

METHOD FOR PURIFYING PHENOL

METHOD FOR PREPARING ETHYLENE WITH IMPROVED ENERGY EFFICIENCY

METHOD FOR PREPARING ETHYLENE WITH IMPROVED ENERGY EFFICIENCY

DISTALLATION DEVICE (AMENDED)

DISTILLATION DEVICE

PRESSURE COMPENSATION DEVICE AND ECU MODULE INCLUDING THE SAME

ELECTRONIC CONTROL APPARATUS FOR VEHICLE USING COUPLING MEMBER AND...

ELECTRONIC CONTROL DEVICE FOR VEHICLE