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For the Inventor, By the Inventor

Daejeon, South Korea

Rstech Co., Ltd.

Calculating rank
USPTO Granted Patents = 3

Forward Citations = 42

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7 inventors (with patents filed for the assignee):

goldMedal Ho Seong Lee (3 out of 28 patents)

silverMedal Seong Jin Kim (3 out of 12 patents)

bronzeMedal Geon-Joong Kim (2 out of 2 patents)

4.  Dae-Woon Park (2 out of 2 patents)

5.  Jin Won Yun (2 out of 3 patents)

6.  Kyung-Hyun Gahm (1 out of 1 patent)

7.  Chang Soo Lee (1 out of 19 patents)


3 patents:

1. 6903043 - Chiral polymeric salen catalyst, and a process for preparing chiral compounds from racemic epoxides by using them (2005-06-07),
2. 6818778 - Process for preparing (-)-(18-crown-6)-2,3,11,12-tetracarboxylic acid, and (-)-chiral stationary phases for resolution of racemic compounds using the same (2004-11-16),
3. 6720434 - Process for preparing chiral compounds from recemic epoxides by using chiral salen catalysts (2004-04-13),
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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#158 in Daejeon

#2,798 in South Korea

Daejeon, KR
Daejeon, South Korea

Rstech Co., Ltd.

Forward Citations = 42

7 inventors:

goldMedal Ho Seong Lee (3 out of 28 patents)

silverMedal Seong Jin Kim (3 out of 12 patents)

bronzeMedal Geon-Joong Kim (2 out of 2 patents)

4.  Dae-Woon Park (2 out of 2 patents)

5.  Jin Won Yun (2 out of 3 patents)

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