For the Inventor, By the Inventor

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Gyeonggi-do, South Korea

Cantops Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 4

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13 inventors (with patents filed for the assignee):

Hak Seo Oh (3 out of 8 patents)

Jin Hwan Ko (1 out of 8 patents)

Sung Hyuk Youn (1 out of 4 patents)

4. Sung Ik Kim (1 out of 3 patents)

5. Kyung Min Lee (1 out of 44 patents)

6. Eun Duk Kim (1 out of 1 patent)

7. Jung Kil Park (1 out of 1 patent)

8. Se Hun Lee (1 out of 2 patents)

9. Sang Gyu Han (1 out of 1 patent)

10. Sang Kyo Ahn (1 out of 1 patent)

11. Won Ho Kang (1 out of 1 patent)

12. Young Sun Hong (1 out of 1 patent)

13. Yong Ky Moon (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12463073 - Electric power supply apparatus for external devices of overhead hoist transport system using high frequency track cable (2025-11-04),

2. 11597607 - Automated material handling system having carrier pollution management function (2023-03-07),

3. 10684613 - Data communication method for reducing working time of automated material handling system (2020-06-16),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#191 in Gyeonggi-do

#2,785 in South Korea

Gyeonggi-do, South Korea

Cantops Co., Ltd.

Forward Citations = 4

13 inventors:

Hak Seo Oh (3 out of 8 patents)

Jin Hwan Ko (1 out of 8 patents)

Sung Hyuk Youn (1 out of 4 patents)

4. Sung Ik Kim (1 out of 3 patents)

5. Kyung Min Lee (1 out of 44 patents)

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