Seung-Hak CHOI

Person

Dhahran, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Thin film composite hollow fiber membranes fabrication systems
- Patent number 11,406,941
- Issue date Aug 9, 2022
- Saudi Arabian Oil Company
- Seung-Hak Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Thin film composite hollow fiber membranes fabrication systems
- Patent number 11,331,632
- Issue date May 17, 2022
- Saudi Arabian Oil Company
- Seung-Hak Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Thin film composite hollow fiber membranes fabrication systems
- Patent number 11,260,351
- Issue date Mar 1, 2022
- Saudi Arabian Oil Company
- Seung-Hak Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE PROCESSING APPARATUS
- Publication number 20250218854
- Publication date Jul 3, 2025
- SEMES CO., LTD.
- In Ki JUNG
- B08 - CLEANING
Information Patent Application
H2 RECOVERY AND CO2 SEPARATION USING MEMBRANE
- Publication number 20250214836
- Publication date Jul 3, 2025
- Saudi Arabian Oil Company
- Ahmed W. Ameen
- C01 - INORGANIC CHEMISTRY
Information Patent Application
STATOR, AND PROPELLER DRIVING APPARATUS AND AIRCRAFT USING THE SAME
- Publication number 20240380284
- Publication date Nov 14, 2024
- AMOTECH CO., LTD.
- Jeong Hoon LEE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY AS...
- Publication number 20240228333
- Publication date Jul 11, 2024
- Saudi Arabian Oil Company
- Seung-Hak Choi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
ROTOR, AND PROPELLER DRIVING DEVICE AND AIRCRAFT USING THE SAME
- Publication number 20240204617
- Publication date Jun 20, 2024
- AMOTECH CO., LTD.
- Jeong Hoon LEE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY AS...
- Publication number 20240132379
- Publication date Apr 25, 2024
- Saudi Arabian Oil Company
- Seung-Hak Choi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FABRICATION SYSTEMS
- Publication number 20210252461
- Publication date Aug 19, 2021
- Saudi Arabian Oil Company
- Seung-Hak CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FABRICATION SYSTEMS
- Publication number 20210252460
- Publication date Aug 19, 2021
- Saudi Arabian Oil Company
- Seung-Hak CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FABRICATION SYSTEMS
- Publication number 20210252459
- Publication date Aug 19, 2021
- Saudi Arabian Oil Company
- Seung-Hak CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Seung-Hak CHOI

Person

Patents Grantslast 30 patents

Thin film composite hollow fiber membranes fabrication systems

Thin film composite hollow fiber membranes fabrication systems

Thin film composite hollow fiber membranes fabrication systems

Patents Applicationslast 30 patents

SUBSTRATE PROCESSING APPARATUS

H2 RECOVERY AND CO2 SEPARATION USING MEMBRANE

STATOR, AND PROPELLER DRIVING APPARATUS AND AIRCRAFT USING THE SAME

PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY AS...

ROTOR, AND PROPELLER DRIVING DEVICE AND AIRCRAFT USING THE SAME

PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY AS...

THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FABRICATION SYSTEMS

THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FABRICATION SYSTEMS

THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FABRICATION SYSTEMS