Growing community of inventors

Seoul, South Korea

Chang Hun Yoo

Average Co-Inventor Count = 1.07

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 13

Chang Hun YooUn Yeong Heo (3 patents)Chang Hun YooMin Gyu Kim (2 patents)Chang Hun YooDong Hwan Shin (1 patent)Chang Hun YooJin Hyug Choi (1 patent)Chang Hun YooGa Hye Kim (1 patent)Chang Hun YooWoo Yong Seo (1 patent)Chang Hun YooDong Hwa Kim (1 patent)Chang Hun YooSeung Seob Jeong (0 patent)Chang Hun YooAndrew Wyld (0 patent)Chang Hun YooChang Hun Yoo (34 patents)Un Yeong HeoUn Yeong Heo (3 patents)Min Gyu KimMin Gyu Kim (197 patents)Dong Hwan ShinDong Hwan Shin (5 patents)Jin Hyug ChoiJin Hyug Choi (1 patent)Ga Hye KimGa Hye Kim (1 patent)Woo Yong SeoWoo Yong Seo (1 patent)Dong Hwa KimDong Hwa Kim (1 patent)Seung Seob JeongSeung Seob Jeong (0 patent)Andrew WyldAndrew Wyld (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ssenstone Inc. (31 from 34 patents)

2. Markany Inc. (1 from 36 patents)

3. Digitalzone Co., Ltd. (1 from 1 patent)

4. Ssenston Inc. (1 from 1 patent)


34 patents:

1. 12393674 - System, method, and program for providing virtual code, virtual code generating device, and virtual code verifying device

2. 12354080 - Method, program, and system for providing financial transaction based on a virtual corporate card

3. 12355759 - User authentication method using authentication virtual code and system therefor

4. 12261958 - Device and method for virtual authentication code-based process authorization

5. 12182796 - Method and system for providing financial transaction using empty card

6. 12096208 - Virtual code-based control system, method and program, control device and control signal generating means for unmanned moving object

7. 12093930 - Virtual code-based control system, method, and program, control device, and control signal generating means

8. 12002041 - Method and system for user authentication using virtual code for authentication

9. 11995650 - Method, device and system for verifying virtual code based on sphere

10. 11989730 - Virtual code-based transaction system, method and program

11. 11983704 - Virtual token-based settlement providing system, virtual token generation apparatus, virtual token verification server, virtual token-based settlement providing method, and virtual token-based settlement providing program

12. 11960595 - System, method, and program for providing virtual code, virtual code generating device, and virtual code verifying device

13. 11935044 - System, method and program for providing financial transaction by virtual code, virtual code generator and virtual code verification device

14. 11887118 - Method, program, and apparatus for identifying device by using chip unique value-based virtual code

15. 11875337 - Smart card for providing financial transaction by using virtual card number

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as of
12/8/2025
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