Assignee
CHA DU-JIN
KR·3 granted patents·3 citations·filing 2008–2008
Top patents by PatentIndex Score
3 records- 0154US8494584B2Apparatus and method for providing SIM application toolkit in mobile communication systemCHA DU-JIN·Filed 2008·Granted Jul 23, 2013·2 cites·20 claims
- 0249US9326131B2Apparatus and method for providing subscriber identity module (SIM) application toolkit service in mobile communication systemCHA DU-JIN·Filed 2008·Granted Apr 26, 2016·1 cites·12 claims
- 0345US8914069B2Method and apparatus for speed dialing by mobile country code/mobile network code in mobile communication systemCHA DU-JIN·Filed 2008·Granted Dec 16, 2014·0 cites·25 claims
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