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For the Inventor, By the Inventor

Busan, South Korea

Kiswel Ltd.

USPTO Granted Patents = 18

% Expired Patents = 5.6


Trademarks = 1

Forward Citations = 86

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27 inventors (with patents filed for the assignee):

goldMedal Seong Hun Kim (5 out of 5 patents)

silverMedal Jongwon Kim (4 out of 5 patents)

bronzeMedal Chang Uk Song (4 out of 4 patents)

4.  Kyo Hun Kim (3 out of 3 patents)

5.  Ho Kyu Kang (3 out of 3 patents)

6.  Yukio Yamaoka (2 out of 3 patents)

7.  Geun Chul Song (2 out of 2 patents)

8.  Gyu-Yeol Bae (2 out of 9 patents)

9.  Hwi Chul Park (2 out of 2 patents)

10.  Su-Kyung Jung (2 out of 2 patents)

11.  Chang-UK Song (2 out of 2 patents)

12.  Sang Woo Lee (1 out of 7 patents)

13.  A Ra Na (1 out of 1 patent)

14.  Byoung Joon Jang (1 out of 1 patent)

15.  Jong Hun Jang (1 out of 1 patent)


18 patents:

1. 12649204 - Gas shield arc welding wire (2026-06-09),
2. 12643172 - Retainer ring for welding wire (2026-06-02),
3. 12286325 - Storage container for welding wire (2025-04-29),
4. 12179967 - Welding wire accommodation-container cover (2024-12-31),
5. 10899495 - Storage unit for welding wire (2021-01-26),
6. 10858173 - Strap guide and pail pack having the same (2020-12-08),
7. 8153935 - Flux cored wire for duplex stainless steel and method of manufacturing the same (2012-04-10),
8. 6989510 - Non-copper-plated solid wire for carbon dioxide gas shielded arc welding (2006-01-24),
9. 6906286 - Solid wire for arc welding (2005-06-14),
10. 6833530 - Flux cored wire for gas shielded arc welding (2004-12-21),
11. 6791064 - Arc welding wire of high feeding performance and wire drawing method (2004-09-14),
12. 6787735 - Welding solid wire with high feeding performance (2004-09-07),
13. 6713723 - Basic flux cored wire with excellent weldability (2004-03-30),
14. 6696170 - Copper-free wire (2004-02-24),
15. 6573476 - Flux cored wire for gas-shielded arc welding (2003-06-03),
Company Overview
Kiswel Ltd. is a prominent manufacturer based in Busan, South Korea, specializing in welding materials and related technologies. The company focuses on developing high-quality welding consumables, including electrodes and wires, catering to various industries such as construction, shipbuilding, and automotive. With a commitment to innovation, Kiswel invests in research and development to enhance its product offerings and maintain competitiveness in the global market, ensuring reliability and performance in welding applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#10 in Busan

#689 in South Korea

#34,244 in the World

Busan, KR
Busan, South Korea

Kiswel Ltd.

Forward Citations = 86

27 inventors:

goldMedal Seong Hun Kim (5 out of 5 patents)

silverMedal Jongwon Kim (4 out of 5 patents)

bronzeMedal Chang Uk Song (4 out of 4 patents)

4.  Kyo Hun Kim (3 out of 3 patents)

5.  Ho Kyu Kang (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kiswel Ltd.. Retrieved from https://idiyas.com/company/kiswel

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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