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For the Inventor, By the Inventor

Gyeonggi, South Korea

Sjm Company Ltd.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 18.2


Forward Citations = 72

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7 inventors (with patents filed for the assignee):

goldMedal Dae Hyun Kim (4 out of 146 patents)

silverMedal Uwe Webel (2 out of 2 patents)

bronzeMedal Kyeong Jung Kim (2 out of 2 patents)

4.  Dae-Hyun Kim (2 out of 2 patents)

5.  Jae Kwang Lee (1 out of 1 patent)

6.  Choon Ki Kang (1 out of 1 patent)

7.  Eun Sung Jung (1 out of 1 patent)

8.  Lee Jae Kwang (0 patent)

9.  Webel Uwe (0 patent)

10.  Young Hwan Choi (0 patent)

11.  Narain Ashutosh (0 patent)

12.  Benjamin Grossardt (0 patent)


11 patents:

1. 10883412 - Flexible conduit element with an end portion suitable for attachment to a rigid conduit element, and method of assembly of same (2021-01-05),
2. 9920509 - Flexible conduit element (2018-03-20),
3. 9631751 - Flexible tube for exhaust pipe of automobile (2017-04-25),
4. 9181846 - Flexible tube for exhaust pipe of automobiles (2015-11-10),
5. 8793859 - Method for manufacturing a flexible piping device for an exhaust gas system of a motor vehicle (2014-08-05),
6. 7650912 - Flexible conduit element (2010-01-26),
7. 7264280 - Flexible tube for an exhaust pipe of an automobile (2007-09-04),
8. 6902203 - Exhaust pipe decoupler for vehicles (2005-06-07),
9. 6354632 - Exhaust decoupler system (2002-03-12),
10. 6164703 - Exhaust coupler (2000-12-26),
11. 5967565 - Exhaust coupler system (1999-10-19),
Company Overview
Sjm Company Ltd. is a South Korean firm specializing in the development and manufacturing of advanced electronic components and systems. The company focuses on innovative solutions in the fields of automotive electronics, telecommunications, and consumer electronics, contributing to the evolution of smart technologies. With a commitment to research and development, Sjm aims to enhance product performance and reliability, positioning itself as a key player in the competitive electronics market in Gyeonggi and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

Sjm Company Ltd. USPTO Patent Assignee Logo
11 Patents

#7 in Gyeonggi

#1,011 in South Korea

#51,873 in the World

Gyeonggi, KR
Gyeonggi, South Korea

Sjm Company Ltd.

Forward Citations = 72

7 inventors:

goldMedal Dae Hyun Kim (4 out of 146 patents)

silverMedal Uwe Webel (2 out of 2 patents)

bronzeMedal Kyeong Jung Kim (2 out of 2 patents)

4.  Dae-Hyun Kim (2 out of 2 patents)

5.  Jae Kwang Lee (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sjm Company Ltd.. Retrieved from https://idiyas.com/company/sjm-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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