Assignee
CHANG SEUNG YONG
KR·2 granted patents·7 citations·filing 2009–2009
Top patents by PatentIndex Score
2 records- 0170US8220280B2Air conditioning apparatus and method for determining the amount of refrigerant of air-conditioning apparatusCHANG SEUNG YONG·Filed 2009·Granted Jul 17, 2012·4 cites·15 claims
- 0267US9027357B2Method for determining if refrigerant charge is sufficient and charging refrigerantCHANG SEUNG YONG·Filed 2009·Granted May 12, 2015·3 cites·8 claims
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