Inventor
PARK CHUL HYUN
KR41 patents
⚠️ This page may combine multiple inventors who share the name “PARK CHUL HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KT CORP
16 patentsUS9204300B2Dec 1, 2015
Method for providing SIM profile in eUICC environment and devices therefor
KT CORP34 citations94
US9706407B2Jul 11, 2017
Method for configuring profile of subscriber authenticating module embedded and installed in terminal device, and apparatus using same
KT CORP11 citations84
US9585000B2Feb 28, 2017
Method of providing subscriber profile of eUICC based on change of network
KT CORP7 citations84
US9467187B2Oct 11, 2016
Method for selecting mobile communication network provider using provisioning profile, and apparatus using same
KT CORP9 citations84
US10462667B2Oct 29, 2019
Method of providing mobile communication provider information and device for performing the same
KT CORP2 citations73
US10111092B2Oct 23, 2018
Terminal device having subscriber identity device and method for selecting profile thereof
KT CORP2 citations73
US9924357B2Mar 20, 2018
Method for providing mobile communication provider information and device for performing same
KT CORP4 citations73
US9678994B2Jun 13, 2017
Method of backing up profile and apparatus therefor
KT CORP5 citations73
US9730060B2Aug 8, 2017
Method and system for transfering profiles of authentication module
KT CORP5 citations71
US9264844B2Feb 16, 2016
Method and apparatus of providing SIM profile for embedded universal integrated circuit card
KT CORP2 citations63
US10334443B2Jun 25, 2019
Method for configuring profile of subscriber authenticating module embedded and installed in terminal device, and apparatus using same
KT CORP1 citations62
US9306914B2Apr 5, 2016
Method and system for backing up profiles of authentication module
KT CORP2 citations60
US10187798B2Jan 22, 2019
Terminal device having subscriber identity device and method for selecting profile thereof
KT CORP0 citations52
US9674181B2Jun 6, 2017
Surveillance camera renting service
KT CORP1 citations52
US9992454B2Jun 5, 2018
Monitoring blind spot using moving objects
KT CORP1 citations42
US9942520B2Apr 10, 2018
Interactive and targeted monitoring service
KT CORP0 citations42
SAMSUNG ELECTRONICS CO LTD
8 patentsUS11025611B2Jun 1, 2021
Method and apparatus of constructing secure infra-structure for using embedded universal integrated circuit card
SAMSUNG ELECTRONICS CO LTD4 citations73
US7800846B2Sep 21, 2010
Imaging lens assembly, light scanning unit and image forming apparatus having the same
SAMSUNG ELECTRONICS CO LTD2 citations63
US10637822B2Apr 28, 2020
Method and device for managing identifier of EUICC
SAMSUNG ELECTRONICS CO LTD1 citations59
US9733588B2Aug 15, 2017
Exposure device and image forming apparatus adopting the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US9465314B2Oct 11, 2016
Light scanning unit and image forming apparatus employing the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US9296221B2Mar 29, 2016
Light scanning unit and image forming apparatus employing the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US8933980B2Jan 13, 2015
Light scanning unit and image forming apparatus including the same
SAMSUNG ELECTRONICS CO LTD0 citations42
US9599922B2Mar 21, 2017
Light scanning apparatus and image forming apparatus employing the same
SAMSUNG ELECTRONICS CO LTD0 citations41
HANMI PHARM IND CO LTD
6 patentsUS7157576B2Jan 2, 2007
Crystalline acid salts of cefdinir and process for preparing cefdinir using same
HANMI PHARM IND CO LTD12 citations83
US6639068B1Oct 28, 2003
Method of preparing highly pure cefpodoxime proxetil
HANMI PHARM IND CO LTD8 citations71
US7084274B2Aug 1, 2006
Method for the selective preparation of 3-oxo-4-aza-5α-androstane compound
HANMI PHARM IND CO LTD3 citations62
US7038050B2May 2, 2006
Method for the preparation of highly pure 1-androstene derivatives
HANMI PHARM IND CO LTD3 citations62
US7112672B2Sep 26, 2006
Process for the selective preparation of 3-(z) propenyl-cephem compound
HANMI PHARM IND CO LTD3 citations61
US6620930B1Sep 16, 2003
Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid
HANMI PHARM IND CO LTD1 citations51