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Inventor
CHAN MING SUM
HK
2 patents
⚠️ This page may combine multiple inventors who share the name “CHAN MING SUM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHAN MING SUM
1 patent
US8130738B2
Mar 6, 2012
Mobile device services acquisition
CHAN MING SUM
36 citations
80
IBM
1 patent
US7845567B2
Dec 7, 2010
Contactless card reader and information processing system
IBM
4 citations
55