Inventor
JUNG SANG-WOO
KR4 patents
Patents
4 patentsUS10727682B2Jul 28, 2020
Emergency charging device and method for door lock
AMADAS CO LTD9 citations79
US10794090B2Oct 6, 2020
Input device for door lock
AMADAS CO LTD2 citations68
US10403277B2Sep 3, 2019
Method and apparatus for information search using voice recognition
AMADAS CO LTD2 citations68
US10920451B2Feb 16, 2021
Interface module device of digital door lock
AMADAS CO LTD0 citations44