Inventor
OH TAE HYOUNG
KR4 patents
Patents
4 patentsUS11600196B2Mar 7, 2023
Method and system for supporting learning, and non-transitory computer-readable recording medium
VITRUV INC1 citations53
US11961413B2Apr 16, 2024
Method, system and non-transitory computer-readable recording medium for supporting listening
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US11869383B2Jan 9, 2024
Method, system and non-transitory computer- readable recording medium for providing information on user's conceptual understanding
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US10867523B2Dec 15, 2020
Method for indicating characteristic of problem and problem set
VITRUV INC0 citations30