Inventor
UHR JOON SUN
KR56 patents
⚠️ This page may combine multiple inventors who share the name “UHR JOON SUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COINPLUG INC
45 patentsUS10164779B2Dec 25, 2018
System for issuing public certificate on basis of block chain, and method for issuing public certificate on basis of block chain by using same
COINPLUG INC28 citations94
US11012233B1May 18, 2021
Method for providing authentication service by using decentralized identity and server using the same
COINPLUG INC16 citations86
US10885501B2Jan 5, 2021
Accredited certificate issuance system based on block chain and accredited certificate issuance method based on block chain using same, and accredited certificate authentication system based on block chain and accredited certificate authentication method based on block chain using same
COINPLUG INC13 citations86
US10848319B2Nov 24, 2020
System for issuing certificate based on blockchain network, and method for issuing certificate based on blockchain network by using same
COINPLUG INC11 citations86
US11082420B2Aug 3, 2021
Certificate issuing system based on block chain
COINPLUG INC6 citations84
US11050690B2Jun 29, 2021
Method for providing recording and verification service for data received and transmitted by messenger service, and server using method
COINPLUG INC7 citations84
US11005666B2May 11, 2021
Tampering verification system and method for financial institution certificates based on blockchain
COINPLUG INC7 citations84
US10848318B2Nov 24, 2020
System for authenticating certificate based on blockchain network, and method for authenticating certificate based on blockchain network by using same
COINPLUG INC7 citations84
US10755237B2Aug 25, 2020
Method for creating, registering, revoking authentication information and server using the same
COINPLUG INC7 citations84
US10594498B2Mar 17, 2020
Method and service-providing server for secure transmission of user-authenticating information
COINPLUG INC6 citations84
US10491396B2Nov 26, 2019
Method and server for providing notary service for file and verifying file recorded by notary service
COINPLUG INC5 citations84
US10333721B2Jun 25, 2019
Secure information transmitting system and method for personal identity authentication
COINPLUG INC6 citations84
US10454918B1Oct 22, 2019
Method for SSO service using PKI based on blockchain networks, and device and server using the same
COINPLUG INC13 citations82
US11568396B2Jan 31, 2023
Method for using and revoking authentication information and blockchain-based server using the same
COINPLUG INC4 citations75
US11538036B2Dec 27, 2022
System and method for verifying forgery of financial institution proof documents on basis of block chain
COINPLUG INC2 citations73
US11436595B2Sep 6, 2022
Method for issuing, using, refunding, settling and revoking electronic voucher using updated status of balance database by respective blocks in blockchain, and server using the same
COINPLUG INC2 citations73
US11397928B2Jul 26, 2022
Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same
COINPLUG INC2 citations73
US11301933B2Apr 12, 2022
Method for providing united point service using updated status of balance database with blockchain and server using the same
COINPLUG INC2 citations73
US11017122B2May 25, 2021
Method and server for authenticating and verifying file
COINPLUG INC2 citations73
US11004044B2May 11, 2021
Method for paying cost of IoT device based on blockchain, and server, service providing device, and digital wallet using the same
COINPLUG INC4 citations73
US10826888B2Nov 3, 2020
Method for providing certificate service based on smart contract and server using the same
COINPLUG INC2 citations73
US10776786B2Sep 15, 2020
Method for creating, registering, revoking authentication information and server using the same
COINPLUG INC3 citations73
US10469264B2Nov 5, 2019
Method and server for authenticating and verifying file
COINPLUG INC2 citations73
US10395062B2Aug 27, 2019
Method and server for authenticating and verifying file
COINPLUG INC2 citations73
US10235538B2Mar 19, 2019
Method and server for providing notary service for file and verifying file recorded by notary service
COINPLUG INC3 citations73
US10846416B2Nov 24, 2020
Method for managing document on basis of blockchain by using UTXO-based protocol, and document management server using same
COINPLUG INC6 citations72
US10783260B2Sep 22, 2020
Method for providing simplified account registration service and user authentication service, and authentication server using same
COINPLUG INC3 citations71
US10541991B2Jan 21, 2020
Method for OAuth service through blockchain network, and terminal and server using the same
COINPLUG INC2 citations71
US10554421B2Feb 4, 2020
Method for superseding log-in of user through PKI-based authentication by using smart contact and blockchain database, and server employing same
COINPLUG INC3 citations66
US12063209B2Aug 13, 2024
Certificate issuing system based on block chain
COINPLUG INC0 citations62
US11961057B2Apr 16, 2024
Method for paying cost of IoT device based on blockchain and merkle tree structure related thereto, and server, service providing terminal, and digital wallet using the same
COINPLUG INC0 citations62
US11861573B2Jan 2, 2024
Method for paying cost of IoT device based on blockchain and merkle tree structure related thereto, and server, service providing terminal, and digital wallet using the same
COINPLUG INC0 citations62
US11544640B2Jan 3, 2023
Method for providing online ticket service by using blockchain network and server using the same
COINPLUG INC1 citations62
US11438167B2Sep 6, 2022
Method and server for providing notary service for file and verifying file recorded by notary service
COINPLUG INC0 citations62
US11373177B2Jun 28, 2022
Method for issuing currency and making payment using utxo-based protocol and server using same
COINPLUG INC1 citations62
US11244295B2Feb 8, 2022
Method for paying cost of IoT device based on blockchain and Merkle tree structure related thereto, and server, service providing terminal, and digital wallet using the same
COINPLUG INC0 citations62
US11205014B2Dec 21, 2021
Method and server for authenticating and verifying file
COINPLUG INC0 citations62
US11037111B2Jun 15, 2021
Method for issuing currency and making payment by managing balance database for each block in blockchain network and server using same
COINPLUG INC1 citations62
US10944570B2Mar 9, 2021
Method and server for providing notary service for file and verifying file recorded by notary service
COINPLUG INC0 citations62
US10924285B2Feb 16, 2021
Method and server for providing notary service with respect to file and verifying file recorded by the notary service
COINPLUG INC0 citations62
US10679193B2Jun 9, 2020
Digital virtual currency transaction system and method having block chain between concerned parties
COINPLUG INC1 citations62
US10372942B1Aug 6, 2019
Method and server for providing notary service for file and verifying file recorded by notary service
COINPLUG INC1 citations62
US11514440B2Nov 29, 2022
Method for issuing authentication information and blockchain-based server using the same
COINPLUG INC0 citations52
US11416930B2Aug 16, 2022
Method for providing united point service in use of unspent transaction output based protocol and server using the same
COINPLUG INC0 citations52
US11366803B2Jun 21, 2022
Method for providing relational decentralized identifier service and blockchain node using the same
COINPLUG INC0 citations52
HYUNDAI ELECTRONICS IND
2 patentsUS6738623B1May 18, 2004
Method for dynamically allocating channel at extended coverage of base transceiver station in mobile communication system
HYUNDAI ELECTRONICS IND10 citations69
US6332079B1Dec 18, 2001
Service area expansion method for mobile communication system and method of processing calls between service areas
HYUNDAI ELECTRONICS IND5 citations63
CPLABS INC
2 patentsUS12212692B2Jan 28, 2025
Tampering verification system and method for financial institution certificates, based on blockchain
CPLABS INC0 citations61
US11907917B2Feb 20, 2024
Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same
CPLABS INC0 citations61
UHR JOON SUN
1 patentShowing the top 50 of 56 patents by PatentIndex Score.