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Gyeonggi, South Korea

Coinplug, Inc.

USPTO Granted Patents = 50

CIPO Patents = 11

EPO Patents = 5

Trademarks = 3

Forward Citations = 135

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10 inventors (with patents filed for the assignee):

Joon Sun Uhr (48 out of 54 patents)

Jay Wu Hong (46 out of 52 patents)

Joo Han Song (37 out of 41 patents)

4. Moon Gju Suh (6 out of 6 patents)

5. Seung Il Ra (2 out of 2 patents)

6. Ju Min Lee (2 out of 2 patents)

7. Hee Soon Kim (2 out of 2 patents)

8. Jong Eun Park (1 out of 1 patent)

9. Sang Hoon Hyun (1 out of 1 patent)

10. Kyoo Hyung Han (1 out of 2 patents)

11. Jong Eun Park (0 patent)

12. Sang Hoon Hyun (0 patent)

Core Competencies:

Blockchain Technology

Digital Wallets

Zero-Knowledge Proofs

Decentralized Identity

UTXO-Based Protocol

Certificate Issuance

Notary Services

Authentication Methods

IoT Payment Solutions

Smart Contracts

Financial Document Verification

Virtual Asset Services

50 patents: Sort by Forward Citations

1. 11861573 - 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 (2024-01-02),

2. 11700133 - Zero-knowledge proof-based certificate service method using blockchain network, certification support server using same, and user terminal using same (2023-07-11),

3. 11568396 - Method for using and revoking authentication information and blockchain-based server using the same (2023-01-31),

4. 11556926 - Method for approving use of card by using blockchain-based token id and server using method (2023-01-17),

5. 11544640 - Method for providing online ticket service by using blockchain network and server using the same (2023-01-03),

6. 11538036 - System and method for verifying forgery of financial institution proof documents on basis of block chain (2022-12-27),

7. 11514440 - Method for issuing authentication information and blockchain-based server using the same (2022-11-29),

8. 11438167 - Method and server for providing notary service for file and verifying file recorded by notary service (2022-09-06),

9. 11436595 - 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 (2022-09-06),

10. 11416930 - Method for providing united point service in use of unspent transaction output based protocol and server using the same (2022-08-16),

11. 11397928 - Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same (2022-07-26),

12. 11373177 - Method for issuing currency and making payment using utxo-based protocol and server using same (2022-06-28),

13. 11366803 - Method for providing relational decentralized identifier service and blockchain node using the same (2022-06-21),

14. 11316699 - Method for authenticating user contactlessly based on decentralized identifier using verifiable credential and authentication supporting server using the same (2022-04-26),

15. 11301933 - Method for providing united point service using updated status of balance database with blockchain and server using the same (2022-04-12),

Coinplug, Inc. is a leading blockchain technology company based in South Korea. Founded in 2013, the company specializes in developing innovative solutions and providing services related to digital assets, cryptocurrency exchanges, and blockchain platforms. Coinplug aims to revolutionize various industries through the application of blockchain technology. With a team of experienced professionals, the company continues to drive digital transformation and promote the adoption of cryptocurrencies worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

50 Patents

#1 in Gyeonggi

#307 in South Korea

#13,579 in the World

Gyeonggi, South Korea

Coinplug, Inc.

Forward Citations = 135

10 inventors:

Joon Sun Uhr (48 out of 54 patents)

Jay Wu Hong (46 out of 52 patents)

Joo Han Song (37 out of 41 patents)

4. Moon Gju Suh (6 out of 6 patents)

5. Seung Il Ra (2 out of 2 patents)

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