Patents/Inventors

Jeong Ho Choi

Cheongju-siKR8 patents

9 Patents

US125907882026
Device Method Operating Electronic Detonator Having Response Relay Function
HANWHA CORPORATION
0 cites
USD10777712025
Loudspeaker
0 cites
US122876492025
Apparatus and Method for Operating Electronic Detonator Blaster with Integrated Flight Function
HANWHA CORPORATION
0 cites
US122706332025
Device and Method Thereof for Determining Detonator Information by Using Wireless Signal
HANWHA CORPORATION
0 cites
US122671912025
Apparatus and Method for Correcting Communication Frequency of Electronic Detonator
HANWHA CORPORATION
0 cites
US121887552025
Device and Method Thereof for Operating Electronic Detonator Having Auxiliary Power Function
HANWHA CORPORATION
0 cites
US121740012024
Apparatus and Method for Searching for Unregistered Detonator in Detonator List and Confirming ID
HANWHA CORPORATION
0 cites
US121528682024
Device and Method Thereof for Operating Stemming Rod Used for Blasting and Configured to Include Information Collection Function
HANWHA CORPORATION
0 cites
US121529302024
Blasting Device and Method Thereof for Measuring Blast Vibration
HANWHA CORPORATION
0 cites