Sunstar Machinery Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Jae-Hak Lee (1 out of 1 patent)

Kyong-Min Ryu (1 out of 1 patent)

Byoung Min Kong (1 out of 2 patents)

4. Hyun Sung Kim (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7311052 - Needle plate for double-needle sewing machine (2007-12-25),

2. 6988455 - Sewing machine (2006-01-24),

3. 6742467 - Apparatus and method for controlling feed quantity and direction in sewing machine (2004-06-01),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#139 in

#2,798 in South Korea

KR

Sunstar Machinery Co., Ltd.

Forward Citations = 2

4 inventors:

Jae-Hak Lee (1 out of 1 patent)

Kyong-Min Ryu (1 out of 1 patent)

Byoung Min Kong (1 out of 2 patents)

4. Hyun Sung Kim (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sunstar Machinery Co., Ltd.. Retrieved from https://idiyas.com/company/sunstar-machinery-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]