Assignee
COINPLUG INC
KR·52 granted patents·185 citations·filing 2015–2021
Top patents by PatentIndex Score
52 records- 0198US11012233B1Method for providing authentication service by using decentralized identity and server using the sameCOINPLUG INC·Filed 2021·Granted May 18, 2021·16 cites·28 claims
- 0298US10164779B2System for issuing public certificate on basis of block chain, and method for issuing public certificate on basis of block chain by using sameCOINPLUG INC·Filed 2018·Granted Dec 25, 2018·28 cites·19 claims
- 0394US10885501B2Accredited 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 sameCOINPLUG INC·Filed 2016·Granted Jan 5, 2021·13 cites·4 claims
- 0494US10848319B2System for issuing certificate based on blockchain network, and method for issuing certificate based on blockchain network by using sameCOINPLUG INC·Filed 2018·Granted Nov 24, 2020·11 cites·28 claims
- 0592US10454918B1Method for SSO service using PKI based on blockchain networks, and device and server using the sameCOINPLUG INC·Filed 2019·Granted Oct 22, 2019·13 cites·18 claims
- 0691US10848318B2System for authenticating certificate based on blockchain network, and method for authenticating certificate based on blockchain network by using sameCOINPLUG INC·Filed 2018·Granted Nov 24, 2020·7 cites·24 claims
- 0791US10755237B2Method for creating, registering, revoking authentication information and server using the sameCOINPLUG INC·Filed 2017·Granted Aug 25, 2020·7 cites·14 claims
- 0890US11005666B2Tampering verification system and method for financial institution certificates based on blockchainCOINPLUG INC·Filed 2018·Granted May 11, 2021·7 cites·12 claims
- 0990US10491396B2Method and server for providing notary service for file and verifying file recorded by notary serviceCOINPLUG INC·Filed 2018·Granted Nov 26, 2019·5 cites·13 claims
- 1089US10594498B2Method and service-providing server for secure transmission of user-authenticating informationCOINPLUG INC·Filed 2019·Granted Mar 17, 2020·6 cites·10 claims
- 1189US10333721B2Secure information transmitting system and method for personal identity authenticationCOINPLUG INC·Filed 2018·Granted Jun 25, 2019·6 cites·8 claims
- 1288US11082420B2Certificate issuing system based on block chainCOINPLUG INC·Filed 2016·Granted Aug 3, 2021·6 cites·10 claims
- 1388US11050690B2Method for providing recording and verification service for data received and transmitted by messenger service, and server using methodCOINPLUG INC·Filed 2017·Granted Jun 29, 2021·7 cites·25 claims
- 1488US10846416B2Method for managing document on basis of blockchain by using UTXO-based protocol, and document management server using sameCOINPLUG INC·Filed 2019·Granted Nov 24, 2020·6 cites·24 claims
- 1586US11017122B2Method and server for authenticating and verifying fileCOINPLUG INC·Filed 2019·Granted May 25, 2021·2 cites·8 claims
- 1685US10395062B2Method and server for authenticating and verifying fileCOINPLUG INC·Filed 2018·Granted Aug 27, 2019·2 cites·10 claims
- 1784US11568396B2Method for using and revoking authentication information and blockchain-based server using the sameCOINPLUG INC·Filed 2017·Granted Jan 31, 2023·4 cites·20 claims
- 1884US11397928B2Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing sameCOINPLUG INC·Filed 2019·Granted Jul 26, 2022·2 cites·9 claims
- 1983US11004044B2Method for paying cost of IoT device based on blockchain, and server, service providing device, and digital wallet using the sameCOINPLUG INC·Filed 2018·Granted May 11, 2021·4 cites·31 claims
- 2082US10235538B2Method and server for providing notary service for file and verifying file recorded by notary serviceCOINPLUG INC·Filed 2018·Granted Mar 19, 2019·3 cites·20 claims
- 2181US11538036B2System and method for verifying forgery of financial institution proof documents on basis of block chainCOINPLUG INC·Filed 2017·Granted Dec 27, 2022·2 cites·7 claims
- 2280US11700133B2Zero-knowledge proof-based certificate service method using blockchain network, certification support server using same, and user terminal using sameCOINPLUG INC·Filed 2020·Granted Jul 11, 2023·2 cites·4 claims
- 2380US11544640B2Method for providing online ticket service by using blockchain network and server using the sameCOINPLUG INC·Filed 2020·Granted Jan 3, 2023·1 cites·22 claims
- 2480US10372942B1Method and server for providing notary service for file and verifying file recorded by notary serviceCOINPLUG INC·Filed 2019·Granted Aug 6, 2019·1 cites·17 claims
- 2579US10776786B2Method for creating, registering, revoking authentication information and server using the sameCOINPLUG INC·Filed 2017·Granted Sep 15, 2020·3 cites·22 claims
- 2677US11373177B2Method for issuing currency and making payment using utxo-based protocol and server using sameCOINPLUG INC·Filed 2019·Granted Jun 28, 2022·1 cites·8 claims
- 2777US10783260B2Method for providing simplified account registration service and user authentication service, and authentication server using sameCOINPLUG INC·Filed 2019·Granted Sep 22, 2020·3 cites·25 claims
- 2873US11436595B2Method for issuing, using, refunding, settling and revoking electronic voucher using updated status of balance database by respective blocks in blockchain, and server using the sameCOINPLUG INC·Filed 2017·Granted Sep 6, 2022·2 cites·8 claims
- 2973US11301933B2Method for providing united point service using updated status of balance database with blockchain and server using the sameCOINPLUG INC·Filed 2017·Granted Apr 12, 2022·2 cites·7 claims
- 3073US10826888B2Method for providing certificate service based on smart contract and server using the sameCOINPLUG INC·Filed 2017·Granted Nov 3, 2020·2 cites·47 claims
- 3173US10554421B2Method for superseding log-in of user through PKI-based authentication by using smart contact and blockchain database, and server employing sameCOINPLUG INC·Filed 2019·Granted Feb 4, 2020·3 cites·19 claims
- 3273US10541991B2Method for OAuth service through blockchain network, and terminal and server using the sameCOINPLUG INC·Filed 2019·Granted Jan 21, 2020·2 cites·18 claims
- 3373US10469264B2Method and server for authenticating and verifying fileCOINPLUG INC·Filed 2016·Granted Nov 5, 2019·2 cites·8 claims
- 3472US11210661B2Method for providing payment gateway service using UTXO-based protocol and server using sameCOINPLUG INC·Filed 2019·Granted Dec 28, 2021·2 cites·3 claims
- 3571US11205014B2Method and server for authenticating and verifying fileCOINPLUG INC·Filed 2019·Granted Dec 21, 2021·0 cites·10 claims
- 3671US10679193B2Digital virtual currency transaction system and method having block chain between concerned partiesCOINPLUG INC·Filed 2015·Granted Jun 9, 2020·1 cites·13 claims
- 3770US11961057B2Method 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 sameCOINPLUG INC·Filed 2021·Granted Apr 16, 2024·0 cites·6 claims
- 3870US11861573B2Method 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 sameCOINPLUG INC·Filed 2021·Granted Jan 2, 2024·0 cites·4 claims
- 3968US11438167B2Method and server for providing notary service for file and verifying file recorded by notary serviceCOINPLUG INC·Filed 2021·Granted Sep 6, 2022·0 cites·10 claims
- 4068US11037111B2Method for issuing currency and making payment by managing balance database for each block in blockchain network and server using sameCOINPLUG INC·Filed 2019·Granted Jun 15, 2021·1 cites·16 claims
- 4164US10924285B2Method and server for providing notary service with respect to file and verifying file recorded by the notary serviceCOINPLUG INC·Filed 2019·Granted Feb 16, 2021·0 cites·13 claims
- 4263US10944570B2Method and server for providing notary service for file and verifying file recorded by notary serviceCOINPLUG INC·Filed 2019·Granted Mar 9, 2021·0 cites·10 claims
- 4360US11244295B2Method 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 sameCOINPLUG INC·Filed 2018·Granted Feb 8, 2022·0 cites·31 claims
- 4459US12063209B2Certificate issuing system based on block chainCOINPLUG INC·Filed 2021·Granted Aug 13, 2024·0 cites·10 claims
- 4557US11556926B2Method for approving use of card by using blockchain-based token id and server using methodCOINPLUG INC·Filed 2019·Granted Jan 17, 2023·0 cites·17 claims
- 4655US11514440B2Method for issuing authentication information and blockchain-based server using the sameCOINPLUG INC·Filed 2017·Granted Nov 29, 2022·0 cites·16 claims
- 4753US11416930B2Method for providing united point service in use of unspent transaction output based protocol and server using the sameCOINPLUG INC·Filed 2017·Granted Aug 16, 2022·0 cites·7 claims
- 4845US10528756B2Method for managing information using tree structure based on blockchain, server and terminal using the sameCOINPLUG INC·Filed 2019·Granted Jan 7, 2020·0 cites·16 claims
- 4944US11366803B2Method for providing relational decentralized identifier service and blockchain node using the sameCOINPLUG INC·Filed 2020·Granted Jun 21, 2022·0 cites·14 claims
- 5044US11316699B2Method for authenticating user contactlessly based on decentralized identifier using verifiable credential and authentication supporting server using the sameCOINPLUG INC·Filed 2021·Granted Apr 26, 2022·0 cites·18 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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