Forward Citations = 4

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6 inventors (with patents filed for the assignee):

Chang-Soo Han (3 out of 6 patents)

Byung-Gab Ryu (1 out of 1 patent)

Hye-Youn Jang (1 out of 1 patent)

4. Su-Hyun Park (1 out of 1 patent)

5. Yong-Kyu Chi (1 out of 1 patent)

6. Jung-Soo Han (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 11406554 - Knee joint rehabilitation instrument (2022-08-09),

2. D863558 - Knee rehabilitation apparatus (2019-10-15),

3. 9504875 - Portable rehabilitation exercise device for knee joint (2016-11-29),

Hexar Systems Co., Ltd. is a leading provider of advanced technology solutions for businesses. With a focus on innovation and quality, we offer a wide range of products and services tailored to meet the unique needs of our customers. From software development to security solutions, our team of experts is dedicated to delivering top-notch results. Visit our website to learn more about how Hexar Systems can help your business thrive.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#23 in Ansan

#2,789 in South Korea

Ansan, South Korea

Hexar Systems Co., Ltd.