For the Inventor, By the Inventor

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Cheongju-si, South Korea

Stemco Co., Ltd.

USPTO Granted Patents = 9

Forward Citations = 0

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22 inventors (with patents filed for the assignee):

Sung Jin Lee (4 out of 4 patents)

Kang Dong Kim (3 out of 3 patents)

Hyo Jin Park (2 out of 2 patents)

4. Su Jeong Shin (2 out of 3 patents)

5. Jin Han Lee (2 out of 2 patents)

6. Young Jun Kim (2 out of 2 patents)

7. Dong Gon Kim (2 out of 2 patents)

8. Chang Hoon Han (2 out of 2 patents)

9. Hong Man Kim (1 out of 1 patent)

10. Won Tae Jo (1 out of 1 patent)

11. Duck Jae Seo (1 out of 1 patent)

12. Jung Sub Kim (1 out of 1 patent)

13. Hiroo Shimizu (1 out of 1 patent)

14. Sung Bin Park (1 out of 1 patent)

15. Sang Chul Lee (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 12476036 - Coil apparatus (2025-11-18),

2. 12376238 - Circuit board and method for manufacturing same, and electronic device comprising same circuit board (2025-07-29),

3. 12256500 - Circuit board and manufacturing method therefor (2025-03-18),

4. 12100540 - Coil device and method for manufacturing the same (2024-09-24),

5. 12028990 - Multilayer board and method for manufacturing same (2024-07-02),

6. 11956904 - Multilayer circuit board and manufacturing method therefor (2024-04-09),

7. 11497116 - Flexible circuit board and electronic device comprising same (2022-11-08),

8. 11197377 - Flexible circuit board and method for producing same (2021-12-07),

9. 11147160 - Circuit board and method for manufacturing same (2021-10-12),

STEMCO CO., LTD. is a diverse company that specializes in providing cutting-edge solutions in the fields of Science, Technology, Engineering, and Mathematics (STEM). With years of expertise and a team of dedicated professionals, STEMCO CO., LTD. aims to revolutionize various industries through innovative technological advancements. Their comprehensive range of products and services include engineering solutions, scientific research and development, technology consulting, and educational programs. STEMCO CO., LTD. remains committed to driving progress, fostering creativity, and shaping the future of STEM industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

9 Patents

#14 in Cheongju-si

#1,128 in South Korea

Cheongju-si, South Korea

Stemco Co., Ltd.

Forward Citations = 0

22 inventors:

Sung Jin Lee (4 out of 4 patents)

Kang Dong Kim (3 out of 3 patents)

Hyo Jin Park (2 out of 2 patents)

4. Su Jeong Shin (2 out of 3 patents)

5. Jin Han Lee (2 out of 2 patents)

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