Assignee
HO WING KEI
HK·4 granted patents·33 citations·filing 2009–2013
Top patents by PatentIndex Score
4 records- 0185US8978427B2Tamper resistant security tagHO WING KEI·Filed 2013·Granted Mar 17, 2015·9 cites·20 claims
- 0282US8529831B1System and method for air purification using an enhanced multi-functional coating based on in-situ photocatalytic oxidation and ozonationHO WING KEI·Filed 2011·Granted Sep 10, 2013·9 cites·16 claims
- 0381US8717145B2RFID portal system with RFID tags having various read rangesHO WING KEI·Filed 2009·Granted May 6, 2014·13 cites·11 claims
- 0464US8464956B2System and method for security tag deployment using reversible adhesivesHO WING KEI·Filed 2011·Granted Jun 18, 2013·2 cites·20 claims
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