Haeun Chemtec Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

EPO Patents = 1

Forward Citations = 7

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11 inventors (with patents filed for the assignee):

Kwang Choon Chung (3 out of 29 patents)

Myoung Seon Gong (2 out of 4 patents)

Jae Joon Shim (2 out of 6 patents)

4. Young-Koo Han (1 out of 3 patents)

5. Myung-Bong Yoo (1 out of 3 patents)

6. Kwang-Baek Yoon (1 out of 2 patents)

7. Su-Han Kim (1 out of 2 patents)

8. Young-Ho Han (1 out of 1 patent)

9. Kyong-Min Lee (1 out of 1 patent)

10. Hee-Yong Ahn (1 out of 1 patent)

11. Nam-Boo Cho (1 out of 7 patents)

3 patents: Sort by Forward Citations

1. 9313900 - Method for manufacturing a double-sided printed circuit board (2016-04-12),

2. 7771620 - Polyelectrolyte composition for humidity senser, polyelectrolyte ink and preparation method of poly electrolyte membrane for sensor by inkjet printing (2010-08-10),

3. 7618561 - Organic silver compound and it's preparation method, organic silver ink and it's direct wiring method (2009-11-17),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#23 in Ansan

#2,800 in South Korea

Ansan, South Korea

Haeun Chemtec Co., Ltd.

Forward Citations = 7

11 inventors:

Kwang Choon Chung (3 out of 29 patents)

Myoung Seon Gong (2 out of 4 patents)

Jae Joon Shim (2 out of 6 patents)

4. Young-Koo Han (1 out of 3 patents)

5. Myung-Bong Yoo (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Haeun Chemtec Co., Ltd.. Retrieved from https://idiyas.com/company/haeun-chemtec-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]

1 patent (EPO):

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]