Inventor
TSAI I-MING
CA6 patents
⚠️ This page may combine multiple inventors who share the name “TSAI I-MING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BLACKBERRY LTD
4 patentsUS9301100B1Mar 29, 2016
Indoor positioning systems and wireless fingerprints
BLACKBERRY LTD68 citations95
US9955316B2Apr 24, 2018
Indoor positioning systems and meeting room occupancy
BLACKBERRY LTD25 citations92
US10419874B2Sep 17, 2019
Indoor positioning systems and wireless fingerprints
BLACKBERRY LTD0 citations50
US9860707B2Jan 2, 2018
Indoor positioning systems and meeting room occupancy
BLACKBERRY LTD1 citations50