Coinplug, Inc.
50Patents
50Active
50Granted
51Portfolio score
Filing activity: Oct 7, 2015 → Nov 24, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10164779B2 | System for issuing public certificate on basis of block chain, and method for issuing public certificate on basis of block chain by using same | Electricity | 24 | Active |
| US10454918B1 | Method for SSO service using PKI based on blockchain networks, and device and server using the same | Electricity | 12 | Active |
| US11050690B2 | Method for providing recording and verification service for data received and transmitted by messenger service, and server using method | Electricity | 7 | Active |
| US10885501B2 | 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 | Electricity | 7 | Active |
| US10848319B2 | System for issuing certificate based on blockchain network, and method for issuing certificate based on blockchain network by using same | Electricity | 5 | Active |
| US11082420B2 | Certificate issuing system based on block chain | Electricity | 5 | Active |
| US11012233B1 | Method for providing authentication service by using decentralized identity and server using the same | Electricity | 4 | Active |
| US10846416B2 | Method for managing document on basis of blockchain by using UTXO-based protocol, and document management server using same | Electricity | 4 | Active |
| US10333721B2 | Secure information transmitting system and method for personal identity authentication | Electricity | 4 | Active |
| US11005666B2 | Tampering verification system and method for financial institution certificates based on blockchain | Electricity | 3 | Active |
| US11004044B2 | Method for paying cost of IoT device based on blockchain, and server, service providing device, and digital wallet using the same | Electricity | 3 | Active |
| US10783260B2 | Method for providing simplified account registration service and user authentication service, and authentication server using same | Electricity | 2 | Active |
| US10541991B2 | Method for OAuth service through blockchain network, and terminal and server using the same | Electricity | 2 | Active |
| US10469264B2 | Method and server for authenticating and verifying file | Physics | 2 | Active |
| US11210661B2 | Method for providing payment gateway service using UTXO-based protocol and server using same | Electricity | 2 | Active |
| US10491396B2 | Method and server for providing notary service for file and verifying file recorded by notary service | Electricity | 2 | Active |
| US10755237B2 | Method for creating, registering, revoking authentication information and server using the same | Electricity | 2 | Active |
| US10848318B2 | System for authenticating certificate based on blockchain network, and method for authenticating certificate based on blockchain network by using same | Electricity | 2 | Active |
| US10235538B2 | Method and server for providing notary service for file and verifying file recorded by notary service | Electricity | 2 | Active |
| US10395062B2 | Method and server for authenticating and verifying file | Physics | 2 | Active |
| US10594498B2 | Method and service-providing server for secure transmission of user-authenticating information | Electricity | 2 | Active |
| US10826888B2 | Method for providing certificate service based on smart contract and server using the same | Electricity | 1 | Active |
| US11538036B2 | System and method for verifying forgery of financial institution proof documents on basis of block chain | Electricity | 1 | Active |
| US10776786B2 | Method for creating, registering, revoking authentication information and server using the same | Electricity | 1 | Active |
| US11397928B2 | Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.