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For the Inventor, By the Inventor

Chungcheongbuk-do, South Korea

Dowooinsys Co., Ltd.

Calculating rank
USPTO Granted Patents = 7


Forward Citations = 1

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32 inventors (with patents filed for the assignee):

goldMedal Jang Doo Lee (4 out of 20 patents)

silverMedal Hanggyun Park (4 out of 5 patents)

bronzeMedal Hyungsup Lee (4 out of 4 patents)

4.  Jangdoo Lee (2 out of 20 patents)

5.  Sungchul Kim (2 out of 34 patents)

6.  Myung-hwan Kim (2 out of 5 patents)

7.  Jeong-Il Yoo (2 out of 3 patents)

8.  Bon Ki Goo (2 out of 2 patents)

9.  Beomsoo Kim (2 out of 5 patents)

10.  Sunhong Choi (2 out of 2 patents)

11.  Seungjun Yi (2 out of 2 patents)

12.  HyungSik Kim (1 out of 11 patents)

13.  Hyo-Seop Kim (1 out of 15 patents)

14.  Hyoungsuk Roh (1 out of 4 patents)

15.  Cheollae Roh (1 out of 15 patents)


7 patents:

1. 12415751 - Glass plate strengthening device and glass plate strengthening method using the same (2025-09-16),
2. 12415741 - Refill system with improved utilization rate of ultra-thin glass production process (2025-09-16),
3. 12352611 - Potassium nitrate level detection sensing module in strengthening furnace (2025-07-08),
4. 12157693 - Method of manufacturing window and window manufactured by the same (2024-12-03),
5. 12122706 - Foldable glass substrate including tapered sides (2024-10-22),
6. 12116307 - Jig for manufacturing window and method of manufacturing window using the same (2024-10-15),
7. 11492289 - Foldable glass substrate and foldable display device including the same (2022-11-08),
Company Overview
Dowooinsys Co., Ltd. is a leading provider of advanced technology solutions, specializing in the development and manufacturing of high-quality electronic components and systems. The company focuses on innovation and customer satisfaction, offering a wide range of products and services tailored to meet the needs of various industries, including telecommunications, automotive, and consumer electronics. With a commitment to research and development, Dowooinsys aims to deliver cutting-edge solutions that enhance performance and efficiency.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#18 in Chungcheongbuk-do

#1,435 in South Korea

Chungcheongbuk-do, KR
Chungcheongbuk-do, South Korea

Dowooinsys Co., Ltd.

Forward Citations = 1

32 inventors:

goldMedal Jang Doo Lee (4 out of 20 patents)

silverMedal Hanggyun Park (4 out of 5 patents)

bronzeMedal Hyungsup Lee (4 out of 4 patents)

4.  Jangdoo Lee (2 out of 20 patents)

5.  Sungchul Kim (2 out of 34 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dowooinsys Co., Ltd.. Retrieved from https://idiyas.com/company/dowooinsys-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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