Changsuk Lee

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Window film for vehicles including graphene
- Patent number 12,023,997
- Issue date Jul 2, 2024
- STEK CO., LTD.
- Changsuk Lee
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Protective film for windshield of vehicle
- Patent number 11,660,847
- Issue date May 30, 2023
- STEK CO., LTD.
- Changsuk Lee
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
WINDOW FILM FOR VEHICLES INCLUDING GRAPHENE
- Publication number 20230108836
- Publication date Apr 6, 2023
- STEK CO., LTD.
- Changsuk Lee
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD OF PRODUCING L-GLUFOSINATE
- Publication number 20220306658
- Publication date Sep 29, 2022
- Jinwoo JEON
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CAR GLASS PROTECTION FILM HAVING SELF-RESTORATION PERFORMANCE
- Publication number 20220072831
- Publication date Mar 10, 2022
- STEK CO., LTD.
- Changsuk LEE
- B60 - VEHICLES IN GENERAL
Information Patent Application
PROTECTIVE FILM FOR WINDSHIELD OF VEHICLE
- Publication number 20220024194
- Publication date Jan 27, 2022
- STEK CO., LTD.
- Changsuk Lee
- B32 - LAYERED PRODUCTS
Information Patent Application
L-GLUFOSINATE INTERMEDIATE AND L-GLUFOSINATE PREPARATION METHOD
- Publication number 20220024955
- Publication date Jan 27, 2022
- CJ CHEILJEDANG CORPORATION
- Jinwoo JEON
- C07 - ORGANIC CHEMISTRY