For the Inventor, By the Inventor

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Gyeonggi, South Korea

Coinplug, Inc.

USPTO Granted Patents = 50

CIPO Patents = 4

EPO Patents = 5

Trademarks = 2

Forward Citations = 161

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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 3 patents)

11. Sang Hoon Hyun (0 patent)

Core Competencies:

Blockchain

Digital Wallets

Authentication

Certificate Services

Decentralized Identity

Payment Gateway

IoT Payments

UTXO Protocol

Notary Services

Smart Contracts

Tampering Verification

Virtual Assets

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),

Company Overview

Coinplug, Inc. is a Gyeonggi-based company specializing in blockchain technology and its diverse applications. The organization focuses on developing solutions that enhance digital transactions through secure digital wallets, authentication services, and decentralized identity management. Coinplug also explores innovative payment gateways and IoT payment solutions, leveraging the UTXO protocol to facilitate efficient and reliable financial interactions. Their commitment to advancing blockchain technology positions them as a key player in the evolving digital economy.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

50 Patents

#2 in Gyeonggi

#320 in South Korea

#13,996 in the World

Gyeonggi, South Korea

Coinplug, Inc.

Forward Citations = 161

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Coinplug, Inc.. Retrieved from https://idiyas.com/company/coinplug

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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