| Patent | Date |
|---|
Method For Issuing, Redeeming, Refunding, Settling And Revoking Electronic Voucher By Using Utxo-based Protocol, And Server Employing Same
App 20220309477 - SONG; Joo Han ; et al. | 2022-09-29 |
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
Grant 11,436,595 - Song , et al. September 6, 2 | 2022-09-06 |
Method For Providing Online Ticket Service By Using Blockchain Network And Server Using The Same
App 20220277234 - UHR; Joon Sun ; et al. | 2022-09-01 |
Method for providing united point service in use of unspent transaction output based protocol and server using the same
Grant 11,416,930 - Uhr , et al. August 16, 2 | 2022-08-16 |
Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same
Grant 11,397,928 - Song , et al. July 26, 2 | 2022-07-26 |
Method for issuing currency and making payment using utxo-based protocol and server using same
Grant 11,373,177 - Song , et al. June 28, 2 | 2022-06-28 |
Method for providing united point service using updated status of balance database with blockchain and server using the same
Grant 11,301,933 - Uhr , et al. April 12, 2 | 2022-04-12 |
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
App 20220083992 - Uhr; Joon Sun ; et al. | 2022-03-17 |
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
App 20220083993 - Uhr; Joon Sun ; et al. | 2022-03-17 |
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
Grant 11,244,295 - Uhr , et al. February 8, 2 | 2022-02-08 |
Method for providing payment gateway service using UTXO-based protocol and server using same
Grant 11,210,661 - Hong , et al. December 28, 2 | 2021-12-28 |
Method and server for authenticating and verifying file
Grant 11,205,014 - Uhr , et al. December 21, 2 | 2021-12-21 |
Certificate Issuing System Based On Block Chain
App 20210314313 - Uhr; Joon Sun ; et al. | 2021-10-07 |
Certificate issuing system based on block chain
Grant 11,082,420 - Uhr , et al. August 3, 2 | 2021-08-03 |
Tampering Verification System And Method For Financial Institution Certificates, Based On Blockchain
App 20210226804 - UHR; Joon Sun ; et al. | 2021-07-22 |
Method for providing recording and verification service for data received and transmitted by messenger service, and server using method
Grant 11,050,690 - Hong , et al. June 29, 2 | 2021-06-29 |
Method for issuing currency and making payment by managing balance database for each block in blockchain network and server using same
Grant 11,037,111 - Song , et al. June 15, 2 | 2021-06-15 |
Method And Server For Providing Notary Service For File And Verifying File Recorded By Notary Service
App 20210167966 - UHR; Joon Sun ; et al. | 2021-06-03 |
Method and server for authenticating and verifying file
Grant 11,017,122 - Uhr , et al. May 25, 2 | 2021-05-25 |
Tampering verification system and method for financial institution certificates based on blockchain
Grant 11,005,666 - Uhr , et al. May 11, 2 | 2021-05-11 |
Method for paying cost of IoT device based on blockchain, and server, service providing device, and digital wallet using the same
Grant 11,004,044 - Uhr , et al. May 11, 2 | 2021-05-11 |
Method and server for providing notary service for file and verifying file recorded by notary service
Grant 10,944,570 - Uhr , et al. March 9, 2 | 2021-03-09 |
Method and server for providing notary service with respect to file and verifying file recorded by the notary service
Grant 10,924,285 - Uhr , et al. February 16, 2 | 2021-02-16 |
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
Grant 10,885,501 - Uhr , et al. January 5, 2 | 2021-01-05 |
System for issuing certificate based on blockchain network, and method for issuing certificate based on blockchain network by using same
Grant 10,848,319 - Uhr , et al. November 24, 2 | 2020-11-24 |
System for authenticating certificate based on blockchain network, and method for authenticating certificate based on blockchain network by using same
Grant 10,848,318 - Uhr , et al. November 24, 2 | 2020-11-24 |
Method for managing document on basis of blockchain by using UTXO-based protocol, and document management server using same
Grant 10,846,416 - Uhr , et al. November 24, 2 | 2020-11-24 |
Method for providing certificate service based on smart contract and server using the same
Grant 10,826,888 - Song , et al. November 3, 2 | 2020-11-03 |
Method for providing simplified account registration service and user authentication service, and authentication server using same
Grant 10,783,260 - Uhr , et al. Sept | 2020-09-22 |
Method for creating, registering, revoking authentication information and server using the same
Grant 10,776,786 - Song , et al. September 15, 2 | 2020-09-15 |
Method for creating, registering, revoking authentication information and server using the same
Grant 10,755,237 - Song , et al. A | 2020-08-25 |
Digital virtual currency transaction system and method having block chain between concerned parties
Grant 10,679,193 - Uhr , et al. | 2020-06-09 |
Method for superseding log-in of user through PKI-based authentication by using blockchain database of UTXO-based protocol, and server employing same
Grant 10,659,236 - Ra , et al. | 2020-05-19 |
Method and service-providing server for secure transmission of user-authenticating information
Grant 10,594,498 - Uhr , et al. | 2020-03-17 |
Method And Server For Providing Notary Service For File And Verifying File Recorded By Notary Service
App 20200059366 - UHR; Joon Sun ; et al. | 2020-02-20 |
Method And Server For Providing Notary Service With Respect To File And Verifying File Recorded By The Notary Service
App 20200059367 - UHR; Joon Sun ; et al. | 2020-02-20 |
Method For Approving Use Of Card By Using Blockchain-based Token Id And Server Using Method
App 20200051074 - SUH; Moon Gju ; et al. | 2020-02-13 |
Method For Managing Document On Basis Of Blockchain By Using Utxo-based Protocol, And Document Management Server Using Same
App 20200050780 - UHR; Joon Sun ; et al. | 2020-02-13 |
Method for superseding log-in of user through PKI-based authentication by using smart contact and blockchain database, and server employing same
Grant 10,554,421 - Ra , et al. Fe | 2020-02-04 |
Method for OAuth service through blockchain network, and terminal and server using the same
Grant 10,541,991 - Uhr , et al. Ja | 2020-01-21 |
Method for managing information using tree structure based on blockchain, server and terminal using the same
Grant 10,528,756 - Uhr , et al. J | 2020-01-07 |
Method For Providing Recording And Verification Service For Data Received And Transmitted By Messenger Service, And Server Using
App 20190386940 - Hong; Jay Wu ; et al. | 2019-12-19 |
Method For Superseding Log-in Of User Through Pki-based Authentication By Using Smart Contact And Blockchain Database, And Serve
App 20190372786 - RA; Seung Il ; et al. | 2019-12-05 |
Method For Providing Simplified Account Registration Service And User Authentication Service, And Authentication Server Using Sa
App 20190370479 - UHR; Joon Sun ; et al. | 2019-12-05 |
Method For Superseding Log-in Of User Through Pki-based Authentication By Using Blockchain Database Of Utxo-based Protocol, And
App 20190372781 - RA; Seung Il ; et al. | 2019-12-05 |
Method and server for providing notary service for file and verifying file recorded by notary service
Grant 10,491,396 - Uhr , et al. Nov | 2019-11-26 |
Method and server for authenticating and verifying file
Grant 10,469,264 - Uhr , et al. No | 2019-11-05 |
Method And Server For Authenticating And Verifying File
App 20190332810 - Uhr; Joon Sun ; et al. | 2019-10-31 |
Method For Providing Payment Gateway Service Using Utxo-based Protocol And Server Using Same
App 20190333058 - Hong; Jay Wu ; et al. | 2019-10-31 |
Method And Server For Authenticating And Verifying File
App 20190332809 - Uhr; Joon Sun ; et al. | 2019-10-31 |
Method for SSO service using PKI based on blockchain networks, and device and server using the same
Grant 10,454,918 - Uhr , et al. Oc | 2019-10-22 |
Method For Oauth Service Through Blockchain Network, And Terminal And Server Using The Same
App 20190306148 - UHR; Joon Sun ; et al. | 2019-10-03 |
Method For Sso Service Using Pki Based On Blockchain Networks, And Device And Server Using The Same
App 20190306147 - UHR; Joon Sun ; et al. | 2019-10-03 |
Method And Service-providing Server For Secure Transmission Of User-authenticating Information
App 20190296920 - UHR; Joon Sun ; et al. | 2019-09-26 |
Method and server for authenticating and verifying file
Grant 10,395,062 - Uhr , et al. A | 2019-08-27 |
Method For Managing Information Using Tree Structure Based On Blockchain, Server And Terminal Using The Same
App 20190243986 - UHR; Joon Sun ; et al. | 2019-08-08 |
Method and server for providing notary service for file and verifying file recorded by notary service
Grant 10,372,942 - Uhr , et al. | 2019-08-06 |
Method For Issuing Currency And Making Payment Using Utxo-based Protocol And Sever Using Same
App 20190236602 - SONG; Joo Han ; et al. | 2019-08-01 |
Method For Issuing Currency And Making Payment By Managing Balance Database For Each Block In Blockchain Network And Server Usin
App 20190236565 - SONG; Joo Han ; et al. | 2019-08-01 |
Method For Issuing, Redeeming, Refunding, Settling And Revoking Electronic Voucher By Using Utxo-based Protocol, And Server Empl
App 20190236560 - SONG; Joo Han ; et al. | 2019-08-01 |
Method And Server For Providing Notary Service For File And Verifying File Recorded By Notary Service
App 20190220624 - UHR; Joon Sun ; et al. | 2019-07-18 |
Secure information transmitting system and method for personal identity authentication
Grant 10,333,721 - Uhr , et al. | 2019-06-25 |
Method and server for providing notary service for file and verifying file recorded by notary service
Grant 10,235,538 - Uhr , et al. | 2019-03-19 |
System For Issuing Certificate Based On Blockchain Network, And Method For Issuing Certificate Based On Blockchain Network By Using Same
App 20190081800 - Uhr; Joon Sun ; et al. | 2019-03-14 |
System For Authenticating Certificate Based On Blockchain Network, And Method For Authenticating Certificate Based On Blockchain Network By Using Same
App 20190081799 - Uhr; Joon Sun ; et al. | 2019-03-14 |
Method And Server For Authenticating And Verifying File
App 20190020485 - Uhr; Joon Sun ; et al. | 2019-01-17 |
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
App 20190005470 - Uhr; Joon Sun ; et al. | 2019-01-03 |
System for issuing public certificate on basis of block chain, and method for issuing public certificate on basis of block chain by using same
Grant 10,164,779 - Uhr , et al. Dec | 2018-12-25 |
Method And Server For Providing Notary Service For File And Verifying File Recorded By Notary Service
App 20180365448 - UHR; Joon Sun ; et al. | 2018-12-20 |
Tampering Verification System And Method For Financial Institution Certificates, Based On Blockchain
App 20180343128 - UHR; Joon Sun ; et al. | 2018-11-29 |
Method And Server For Providing Notary Service For File And Verifying File Recorded By Notary Service
App 20180337787 - UHR; Joon Sun ; et al. | 2018-11-22 |
Secure Information Transmitting System And Method For Personal Identity Authentication
App 20180331837 - UHR; Joon Sun ; et al. | 2018-11-15 |
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
App 20180330349 - Uhr; Joon Sun ; et al. | 2018-11-15 |
Method For Paying Cost Of Iot Device Based On Blockchain, And Server, Service Providing Device, And Digital Wallet Using The Same
App 20180330348 - Uhr; Joon Sun ; et al. | 2018-11-15 |
Method And Server For Authenticating And Verifying File
App 20180300507 - Uhr; Joon Sun ; et al. | 2018-10-18 |
System For Issuing Public Certificate On Basis Of Block Chain, And Method For Issuing Public Certificate On Basis Of Block Chain By Using Same
App 20180294977 - Uhr; Joon Sun ; et al. | 2018-10-11 |
Certificate Issuing System Based On Block Chain
App 20180227293 - UHR; Joon Sun ; et al. | 2018-08-09 |
Method For Providing United Point Service Using Updated Status Of Balance Database With Blockchain And Server Using The Same
App 20180189878 - Uhr; Joon Sun ; et al. | 2018-07-05 |
Method For Providing United Point Service In Use Of Unspent Transaction Output Based Protocol And Server Using The Same
App 20180189877 - Uhr; Joon Sun ; et al. | 2018-07-05 |
System And Method For Verifying Forgery Of Financial Institution Proof Documents On Basis Of Block Chain
App 20180121923 - Uhr; Joon Sun ; et al. | 2018-05-03 |
Method For Providing Certificate Service Based On Smart Contract And Server Using The Same
App 20180109516 - Song; Joo Han ; et al. | 2018-04-19 |
Method For Issuing, Using, Refunding, Settling And Revocating Electronic Voucher Using Updated Status Of Balance Database By Respective Blocks In Blockchain, And Server Using The Same
App 20180101844 - Song; Joo Han ; et al. | 2018-04-12 |
Method for generating, providing and reproducing digital contents in conjunction with digital currency, and terminal and computer readable recording medium using same
Grant 9,872,050 - Uhr , et al. January 16, 2 | 2018-01-16 |
Method For Issuing Authentication Information And Blockchain-based Server Using The Same
App 20170330179 - Song; Joo Han ; et al. | 2017-11-16 |
Method For Using And Revoking Authentication Information And Blockchain-based Server Using The Same
App 20170330180 - Song; Joo Han ; et al. | 2017-11-16 |
Method For Creating, Registering, Revoking Authentication Information And Server Using The Same
App 20170316497 - Song; Joo Han ; et al. | 2017-11-02 |
Digital Virtual Currency Transaction System And Method Having Block Chain Between Concerned Parties
App 20170308872 - UHR; Joon Sun ; et al. | 2017-10-26 |
Method For Creating, Registering, Revoking Authentication Information And Server Using The Same
App 20170302460 - Song; Joo Han ; et al. | 2017-10-19 |
Method For Generating, Providing And Reproducing Digital Contents In Conjunction With Digital Currency, And Terminal And Computer Readable Recording Medium Using Same
App 20170134765 - Uhr; Joon Sun ; et al. | 2017-05-11 |
Methods for ring tone supression informing and for informing a cellular telephone with configuration data
Grant 7,668,557 - Hong , et al. February 23, 2 | 2010-02-23 |
System and method of a wireless network operation and maintenance
Grant 7,483,410 - Joo , et al. January 27, 2 | 2009-01-27 |
Method and apparatus for automatically configuring devices on a wireless network
Grant 7,430,181 - Hong September 30, 2 | 2008-09-30 |
Methods for ring tone supression informing and for informing a cellular telephone with configuration data
App 20080057945 - Hong; Jay Wu ; et al. | 2008-03-06 |
System and method of linking a wireless signaling protocol with a media gateway control protocol in a packet-based network
Grant 7,120,133 - Joo , et al. October 10, 2 | 2006-10-10 |
System and method of a wireless network operation and maintenance
Grant 7,006,479 - Joo , et al. February 28, 2 | 2006-02-28 |
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