P
PatentIndex
Search
Landscape
Sign in
Inventor
HWANG GWANG YEON
KR
2 patents
Patents
2 patents
US9861301B2
Jan 9, 2018
Service method and system for providing service using moving path of user
NHN ENTERTAINMENT CORP
0 citations
35
US10006780B2
Jun 26, 2018
Service method and system for providing service using user activity
NHN ENTERTAINMENT CORP
0 citations
33