Gowansoo KO

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
TRIAC module
- Patent number 11,445,581
- Issue date Sep 13, 2022
- EFFIE CO., LTD.
- Gowansoo Ko
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ultra-high efficiency LED lamp driving device and driving method
- Patent number 10,178,725
- Issue date Jan 8, 2019
- GA CO., LTD.
- Gowansoo Ko
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DELAY SWITCH MODULE
- Publication number 20230037653
- Publication date Feb 9, 2023
- EFFIE CO., LTD.
- Gowansoo KO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRIAC MODULE
- Publication number 20220117052
- Publication date Apr 14, 2022
- EFFIE CO., LTD.
- Gowansoo KO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ULTRA-HIGH EFFICIENCY LED LAMP DRIVING DEVICE AND DRIVING METHOD
- Publication number 20180139807
- Publication date May 17, 2018
- GA CO., LTD.
- Gowansoo KO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR