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Daejeon, South Korea

Kt&g Corporation

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USPTO Granted Patents = 496

% Expired Patents = 0.6

EPO Patents = 343

Trademarks = 43

Forward Citations = 625

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270 inventors (with patents filed for the assignee):

Jong Sub Lee (85 out of 87 patents)

Dae Nam Han (78 out of 78 patents)

Seung Won Lee (54 out of 113 patents)

4. Won Kyeong Lee (53 out of 53 patents)

5. Hun Il Lim (50 out of 95 patents)

6. Sung Wook Yoon (45 out of 49 patents)

7. Jung Ho Han (43 out of 51 patents)

8. Yong Hwan Kim (41 out of 129 patents)

9. Jae Min Lee (34 out of 111 patents)

10. Moon Bong Lee (32 out of 32 patents)

11. Soung Ho Ju (32 out of 32 patents)

12. Jae Sung Choi (32 out of 38 patents)

13. Sang Kyu Park (30 out of 40 patents)

14. Eun Mi Jeoung (30 out of 30 patents)

15. Byung Sung Cho (29 out of 29 patents)

Core Competencies:

Aerosol Generating Device

Biodegradable Film

Virtual Reality Imaging

Heater Assembly

Nicotine Inhaler

Vibrator Structure

Aerosol Generation Method

Electronic Cigarette

Aerosol Generating System

Thread Filter

Tobacco Extract Sheet

Temperature Control

496 patents: Sort by Forward Citations

1. 12778210 - Aerosol generating device which accurately senses heater temperature (2026-11-03),

2. 12778209 - Aerosol generating device for controlling power supply to heater and operating method thereof (2026-11-03),

3. 12778196 - Cartridge and aerosol-generating device including the same (2026-11-03),

4. 12778195 - Aerosol-generating device (2026-11-03),

5. 12778193 - Aerosol generating device (2026-11-03),

6. 12778186 - Method of coating tipping paper for smoking article and smoking article manufactured according thereto (2026-11-03),

7. 12773015 - Aerosol-generating device (2026-10-27),

8. 12765600 - Aerosol generating system (2026-10-20),

9. 12765588 - Aerosol-generating article and aerosol-generating system (2026-10-20),

10. 12757936 - Aerosol-generating device (2026-10-13),

11. 12757934 - Nicotine inhaler with first and second liquid storage parts (2026-10-13),

12. 12757928 - Smoking article including biodegradable cigarette paper (2026-10-13),

13. 12757927 - Smoking article comprising novel flavoring agent (2026-10-13),

14. 12751481 - Smoking article including novel flavoring agent (2026-10-06),

15. 12745804 - Aerosol generating apparatus and method of controlling the same (2026-09-29),

Company Overview

Kt&g Corporation, headquartered in Daejeon, South Korea, specializes in the development and manufacturing of innovative aerosol generation technologies. The company focuses on a range of core technology areas, including aerosol generating devices, nicotine inhalers, and electronic cigarettes. Kt&g is also engaged in the creation of biodegradable films and advanced virtual reality imaging solutions, positioning itself at the forefront of modern technological advancements in the aerosol and vaping industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

496 Patents

#5 in Daejeon

#53 in South Korea

#1,948 in the World

Daejeon, South Korea

Kt&g Corporation

Forward Citations = 625

270 inventors:

Jong Sub Lee (85 out of 87 patents)

Dae Nam Han (78 out of 78 patents)

Seung Won Lee (54 out of 113 patents)

4. Won Kyeong Lee (53 out of 53 patents)

5. Hun Il Lim (50 out of 95 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kt&g Corporation. Retrieved from https://idiyas.com/company/kt-and-g

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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