Doo Hyun Lee

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Boeun-gun, KR

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Patents Grantslast 30 patents

Information Patent Grant
Detonation connector having electric wire mounting structure
- Patent number 11,473,891
- Issue date Oct 18, 2022
- Hanwha Corporation
- Doo Hyun Lee
- F42 - AMMUNITION BLASTING
Information Patent Grant
Electronic detonation device for blasting system and blasting syste...
- Patent number 11,359,899
- Issue date Jun 14, 2022
- Hanwha Corporation
- Doo Hyun Lee
- F42 - AMMUNITION BLASTING
Information Patent Grant
Detonation connector having exposure part for tagging
- Patent number 11,268,793
- Issue date Mar 8, 2022
- Hanwha Corporation
- Doo Hyun Lee
- F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

Information Patent Application
DETONATION CONNECTOR HAVING EXPOSURE PART FOR TAGGING
- Publication number 20210404784
- Publication date Dec 30, 2021
- Hanwha Corporation
- Doo Hyun Lee
- F42 - AMMUNITION BLASTING
Information Patent Application
ELECTRONIC DETONATION DEVICE FOR BLASTING SYSTEM AND BLASTING SYSTE...
- Publication number 20210364264
- Publication date Nov 25, 2021
- Hanwha Corporation
- Doo Hyun Lee
- F42 - AMMUNITION BLASTING
Information Patent Application
OPERATOR TERMINAL FOR BLASTING SYSTEM
- Publication number 20210356246
- Publication date Nov 18, 2021
- Hanwha Corporation
- Tae Seob Shin
- F42 - AMMUNITION BLASTING
Information Patent Application
DETONATION CONNECTOR HAVING ELECTRIC WIRE MOUNTING STRUCTURE
- Publication number 20210356245
- Publication date Nov 18, 2021
- Hanwha Corporation
- Doo Hyun Lee
- H01 - BASIC ELECTRIC ELEMENTS