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For the Inventor, By the Inventor

Daejeon, South Korea

Golfzon Co., Ltd.


USPTO Granted Patents = 50

% Expired Patents = 2.0



Trademarks = 7

Forward Citations = 169

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69 inventors (with patents filed for the assignee):

goldMedal Jae Yoon Ok (6 out of 8 patents)

silverMedal Hyung Wook Jang (5 out of 5 patents)

bronzeMedal Hyun Jin Park (5 out of 5 patents)

4.  Jin-gyu Kim (5 out of 5 patents)

5.  Hyun Dam Jeong (4 out of 4 patents)

6.  Hyung Sik Yoon (4 out of 4 patents)

7.  Kang Yoon Lim (3 out of 3 patents)

8.  Min Yong Cho (3 out of 3 patents)

9.  Se Hwan Kim (3 out of 15 patents)

10.  Jung Hun Lee (3 out of 4 patents)

11.  Sea Jung Oh (2 out of 2 patents)

12.  Soo Ho Chang (2 out of 5 patents)

13.  Gee Hwan Kwon (2 out of 2 patents)

14.  Heung Ryul Zo (2 out of 2 patents)

15.  Chang Heon Woo (2 out of 2 patents)


Core Competencies:
Terrain Information
Golf Swing Training
Virtual Golf Simulation
Ball Tracking
Athletic Posture Analysis
Screen Golf System
Movement Sensing
Customized Practice Environment
Image Processing
Mobile Terminal Control
Golf Information Service
Stereophonic Sound

50 patents:

1. 12491426 - Apparatus for providing terrain information on green and method for providing terrain information on green (2025-12-09),
2. 12478849 - Device and method for sensing movement of sphere moving on plane surface using camera, and device and method for sensing golf ball moving on putting mat (2025-11-25),
3. 12472416 - Golf swing training apparatus (2025-11-18),
4. 12465836 - Rough mat (2025-11-11),
5. 12420161 - Golf swing training apparatus (2025-09-23),
6. D1092661 - Sensor for golf (2025-09-09),
7. 12409372 - Virtual golf simulation device and virtual golf simulation method (2025-09-09),
8. 12370426 - Hybrid golf system, control method of mobile terminal used to the same and method for locating golf ball at ball position on field using user's mobile terminal in hybrid golf system (2025-07-29),
9. 12053686 - Screen for screen golf and manufacturing method of the same (2024-08-06),
10. 12017132 - Virtual golf simulation processing method and screen golf system using the same (2024-06-25),
11. 12011651 - Virtual golf system, virtual golf introduction image generation method, and virtual golf player information calculation method (2024-06-18),
12. 12002222 - Device for calculating flight information of ball, method of calculating flight information of ball, and computing-device-readable recording medium having the method recorded therein (2024-06-04),
13. D1018538 - Controller for electronic equipment (2024-03-19),
14. 11771954 - Method for calculating a swing trajectory of a golf club using radar sensing data, a radar sensing device using the same, and a recording medium readable by a computing device recording the method (2023-10-03),
15. 11745075 - Divided driving swing platform (2023-09-05),
Company Overview
Golfzon Co., Ltd., based in Daejeon, South Korea, specializes in virtual golf simulation technologies. The company focuses on developing advanced systems that integrate terrain information, ball tracking, and athletic posture analysis to enhance the golfing experience. Their innovative screen golf systems provide customized practice environments, allowing users to improve their golf swing through precise movement sensing and training tools. Golfzon is committed to advancing the field of virtual sports technology, making golf more accessible and engaging for enthusiasts worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

50 Patents

#23 in Daejeon

#320 in South Korea

#14,013 in the World

Daejeon, KR
Daejeon, South Korea

Golfzon Co., Ltd.

Forward Citations = 169

69 inventors:

goldMedal Jae Yoon Ok (6 out of 8 patents)

silverMedal Hyung Wook Jang (5 out of 5 patents)

bronzeMedal Hyun Jin Park (5 out of 5 patents)

4.  Jin-gyu Kim (5 out of 5 patents)

5.  Hyun Dam Jeong (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Golfzon Co., Ltd.. Retrieved from https://idiyas.com/company/golfzon-company

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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