Patents/Inventors

Fei Yi

BeijingCN7 patents

7 Patents

US125554392026
Virtual Chip Purchase Vouchers
IGT
0 cites
US123222552025
Method and System for Player Group Sharing and Redistributing Gaming Awards
IGT
0 cites
US121700002024
Virtual Chip Purchase Vouchers
IGT
0 cites
US121253422024
Tracking Locations of Anonymous Players
IGT
0 cites
US119353642024
Method and System for Player Group Sharing and Redistributing Gaming Awards
IGT
0 cites
US118156652023
Large-aperture Infrared Metalens Camera
HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
0 cites
US117836682023
Tracking Locations of Anonymous Players
IGT
0 cites