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Daejeon, South Korea

Korea Institute of Geoscience and Mineral Resources (kigam)

USPTO Granted Patents = 43

Forward Citations = 133

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115 inventors (with patents filed for the assignee):

Jung-Hae Choi (5 out of 6 patents)

Byung-Gon Chae (5 out of 6 patents)

Jae Gon Kim (4 out of 56 patents)

4. In Hyun Nam (4 out of 4 patents)

5. Jun Ho Kim (3 out of 93 patents)

6. Jae-Gon Kim (3 out of 37 patents)

7. Chul Min Chon (3 out of 3 patents)

8. Jeong-Chan Kim (3 out of 11 patents)

9. Ki-Sung Sung (3 out of 10 patents)

10. Min Jun Kim (3 out of 4 patents)

11. Chan Hyoung Park (2 out of 16 patents)

12. Kang-Sup Chung (2 out of 10 patents)

13. Hee Dong Jang (2 out of 16 patents)

14. Byung-Su Kim (2 out of 4 patents)

15. Han Kwon Chang (2 out of 8 patents)

43 patents: Sort by Forward Citations

1. 12181391 - Sample diluting and dispensing device for ICP-AES analysis (2024-12-31),

2. 10396408 - Waste battery treatment apparatus using continuous heat treatment, and method for recovering valuable metals from lithium-based battery using same (2019-08-27),

3. 10330577 - Method for measuring density change of underground material using gravimeter (2019-06-25),

4. 10046333 - Method of restoring arsenic-contaminated soil using alkaline-ultrasonic washing and magnetic separation (2018-08-14),

5. 9821354 - Method for remediating contaminated soil using microorganism strain having ability to produce urease (2017-11-21),

6. 9618380 - Sensor for measuring water levels of groundwater and surface water using magnetostriction displacement and multi measurement system for groundwater and surface water by using the same (2017-04-11),

7. 9588010 - Apparatus for soil box experiment applying vibration (2017-03-07),

8. 9478151 - Apparatus for soil box experiment making shape of variable landslide surface (2016-10-25),

9. 9457356 - Particle separation apparatus (2016-10-04),

10. 9376904 - Apparatus and method for solution mining using cycling process (2016-06-28),

11. 9192970 - Banking structure using rocks producing acid drainage (2015-11-24),

12. 9174196 - Synthesis method for magnetite and birnessite aggregate-form mixture (2015-11-03),

13. 9057139 - Method for manufacturing electrode module for recovery of metal ions, electrode module for recovery of metal ions, and apparatus for recovery of metal ions including the same (2015-06-16),

14. 8986519 - Electrowinning apparatus and method for recovering useful metals from aqueous solutions (2015-03-24),

15. 8936074 - Apparatus for distributing carbon dioxide with advanced function of adjusting pressure and temperature of carbon dioxide for geologic injection of carbon dioxide (2015-01-20),

Korea Institute of Geoscience and Mineral Resources (KIGAM) is a government-funded research institute in South Korea established for the development and advancement of geosciences and mineral resources. With a focus on research, education, and technical services, KIGAM plays a crucial role in promoting sustainable development and environmental protection through the study of earth sciences and minerals.

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USPTO Data Jan 1 1976 - Dec 2 2025

43 Patents

#23 in Daejeon

#335 in South Korea

#15,543 in the World

Daejeon, South Korea

Korea Institute of Geoscience and Mineral Resources (kigam)

Forward Citations = 133

115 inventors:

Jung-Hae Choi (5 out of 6 patents)

Byung-Gon Chae (5 out of 6 patents)

Jae Gon Kim (4 out of 56 patents)

4. In Hyun Nam (4 out of 4 patents)

5. Jun Ho Kim (3 out of 93 patents)

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