Inventor
TSAI YEN-CHI
TW17 patents
⚠️ This page may combine multiple inventors who share the name “TSAI YEN-CHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMAZON TECH INC
14 patentsUSD955251SJun 21, 2022
Location information device
AMAZON TECH INC11 citations94
USD1035472SJul 16, 2024
Security sensor
AMAZON TECH INC13 citations85
USD1017667SMar 12, 2024
Security camera
AMAZON TECH INC9 citations85
USD1014073SFeb 13, 2024
Case for an electronic device
AMAZON TECH INC4 citations85
USD1013547SFeb 6, 2024
Charging dock
AMAZON TECH INC10 citations85
USD1024158SApr 23, 2024
Security camera
AMAZON TECH INC13 citations84
USD1086911SAug 5, 2025
Security sensor
AMAZON TECH INC1 citations74
USD1019023SMar 19, 2024
Collar attachment of a case for an electronic device
AMAZON TECH INC3 citations74
USD1013764SFeb 6, 2024
Camera wall mount
AMAZON TECH INC4 citations74
USD1048150SOct 22, 2024
Security camera
AMAZON TECH INC2 citations73
USD1068902SApr 1, 2025
Device privacy cover
AMAZON TECH INC1 citations63
USD1081757SJul 1, 2025
Security camera
AMAZON TECH INC0 citations62
USD1060470SFeb 4, 2025
Security camera
AMAZON TECH INC0 citations61
USD1035417SJul 16, 2024
Door mount
AMAZON TECH INC0 citations61