Hfr, Inc.

Trademarks = 19

Forward Citations = 5

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17 inventors (with patents filed for the assignee):

Beum Geun Cho (2 out of 2 patents)

Sang Woo Kim (2 out of 111 patents)

Sun Ik Lee (2 out of 2 patents)

4. Chan Gook Park (1 out of 11 patents)

5. Sang-woo Kim (1 out of 42 patents)

6. Jinsoo Sung (1 out of 2 patents)

7. Myeong Hun Song (1 out of 22 patents)

8. Beum-Geun Cho (1 out of 1 patent)

9. Myung-Hun Song (1 out of 1 patent)

10. Sungjin Byun (1 out of 1 patent)

11. Sun-Ik Lee (1 out of 1 patent)

12. Jong-Yeong Lim (1 out of 1 patent)

13. Eun-Ho Lee (1 out of 1 patent)

14. Ka Yoon Kim (1 out of 1 patent)

15. Myung Hun Song (1 out of 1 patent)

3 patents: Sort by Forward Citations

#139 in

#2,789 in South Korea

Forward Citations = 5

17 inventors:

Beum Geun Cho (2 out of 2 patents)

Sang Woo Kim (2 out of 111 patents)

Sun Ik Lee (2 out of 2 patents)

4. Chan Gook Park (1 out of 11 patents)

5. Sang-woo Kim (1 out of 42 patents)

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

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]