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For the Inventor, By the Inventor

Seoul, South Korea

Gs Caltex Corporation


USPTO Granted Patents = 35

% Expired Patents = 2.9


Trademarks = 4

Forward Citations = 37

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112 inventors (with patents filed for the assignee):

goldMedal Sang-Hyun Lee (4 out of 31 patents)

silverMedal Hyo-Hak Song (4 out of 4 patents)

bronzeMedal Taek-Ho Yang (4 out of 8 patents)

4.  Woong Jae Boo (4 out of 5 patents)

5.  Hyung Tak Lee (4 out of 4 patents)

6.  Byung Wook Kang (3 out of 6 patents)

7.  Jong-Myoung Park (3 out of 3 patents)

8.  Moon-Ho Eom (3 out of 3 patents)

9.  Julia Lee (3 out of 3 patents)

10.  Han Ki Lee (3 out of 16 patents)

11.  Seok Jin Yong (3 out of 3 patents)

12.  Chun Ho Park (2 out of 55 patents)

13.  Kyeong Hoon Jang (2 out of 18 patents)

14.  In Soo Han (2 out of 22 patents)

15.  Chelladural Rathnasi (2 out of 2 patents)


Core Competencies:
Polypropylene
Thermoplastic
Fiber-Reinforced
Resin Composition
Microbial Fermentation
Butanol Production
Bioproducts
Impact Resistance
Deodorizing Capability
Dimensional Stability
Biofuels
CIGS Ink

35 patents:

1. 12686747 - Glass fiber reinforced polypropylene resin composition and molded article comprising the same (2026-07-21),
2. 12522723 - Polypropylene thermoplastic resin composition and molded article manufactured using the same (2026-01-13),
3. 12509574 - Thermoplastic elastomer resin composition with improved fluidity and molded article produced therefrom (2025-12-30),
4. 12209166 - Method for manufacturing fiber-reinforced resin composite, fiber-reinforced resin composite and molded product (2025-01-28),
5. 11999841 - Thermoplastic resin composition having high rigidity and low coefficient of linear thermal expansion and molded article comprising same (2024-06-04),
6. 11795311 - Polypropylene resin composition with improved scratch resistance and vehicle molded parts manufactured therefrom (2023-10-24),
7. 11608307 - Method for preparing alkyl carboxylic acid ester and apparatus for preparing alkyl carboxylic acid ester (2023-03-21),
8. 11578199 - Polyolefin-based resin composition for vehicle interior material comprising heat-treated waste coffee grounds (2023-02-14),
9. 11542511 - Recombinant microorganism having simultaneous fermentation ability of at least two sugars and method for producing diol using same (2023-01-03),
10. 11192844 - Method for decolorizing and deodorizing polyhydric alcohol (2021-12-07),
11. 10947547 - Recombinant microorganism having enhanced 2,3-butanediol producing ability and method for producing 2,3-butanediol using the same (2021-03-16),
12. 10822483 - Polypropylene resin composition and molded product thereof (2020-11-03),
13. 10550250 - Compositions of polypropylene having excellent tactile sensation and dimensional stability (2020-02-04),
14. 10465066 - Polypropylene composite resin composition with continuously maintained deodorizing capability and aromaticity (2019-11-05),
15. 10435720 - Recombinant microorganism having enhanced D(-) 2,3-butanediol producing ability and method for producing D(-) 2,3-butanediol using the same (2019-10-08),
Gs Caltex Corporation is a leading South Korean oil refining and marketing company, specializing in the production of a wide range of petroleum products, including fuels, lubricants, and petrochemicals. The company is known for its commitment to innovation in refining technology and environmental sustainability, actively engaging in research and development to enhance operational efficiency and reduce emissions. With a strong presence in the Asia-Pacific region, Gs Caltex plays a significant role in the energy sector, contributing to both local and global markets.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Gs Caltex Corporation
35 Patents

#155 in Seoul

#409 in South Korea

#19,137 in the World

Seoul, KR
Seoul, South Korea

Gs Caltex Corporation

Forward Citations = 37

112 inventors:

goldMedal Sang-Hyun Lee (4 out of 31 patents)

silverMedal Hyo-Hak Song (4 out of 4 patents)

bronzeMedal Taek-Ho Yang (4 out of 8 patents)

4.  Woong Jae Boo (4 out of 5 patents)

5.  Hyung Tak Lee (4 out of 4 patents)

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