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Walnut Creek, CA, United States of America

Sun Bio, Inc.

USPTO Granted Patents = 9

% Expired Patents = 33.3

Trademarks = 6

Forward Citations = 258

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16 inventors (with patents filed for the assignee):

Kwang Nho (7 out of 7 patents)

Changmin Hyun (4 out of 4 patents)

Perry Rosen (4 out of 87 patents)

4. Junghoon Lee (2 out of 30 patents)

5. Min Jung Ahn (1 out of 1 patent)

6. Hyun Chang-min (1 out of 1 patent)

7. Jung-Hun Lee (1 out of 1 patent)

8. In-Kyung Kim (1 out of 1 patent)

9. Young-Kyoung Pak (1 out of 1 patent)

10. Youngkyoung Pak (1 out of 1 patent)

11. Junghun Lee (1 out of 1 patent)

12. Minjung Ahn (1 out of 1 patent)

13. Kwang Nho (1 out of 1 patent)

14. Kwang Nho (1 out of 1 patent)

15. Minjung Ahn (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 12295991 - Hemoglobin derivative co-conjugated with fatty acid-linked PEG and alkoxy PEG as a blood substitute (2025-05-13),

2. 11952461 - Siloxy polyethylene glycol and derivatives thereof (2024-04-09),

3. 10882954 - Tertiary alkoxy polyethylene glycol and derivatives thereof (2021-01-05),

4. 7217845 - Bifunctional polyethylene glycol derivatives (2007-05-15),

5. 7041855 - Monofunctional polyethylene glycol aldehydes (2006-05-09),

6. 6956135 - Monofunctional polyethylene glycol aldehydes (2005-10-18),

7. 6916962 - Monofunctional polyethylene glycol aldehydes (2005-07-12),

8. 6858736 - Hexa-arm polyethylene glycol and its derivatives and the methods of preparation thereof (2005-02-22),

9. 6828401 - Preparation method of peg-maleimide derivatives (2004-12-07),

Sun Bio, Inc. is a biotechnology company specializing in the development of innovative therapies for various diseases. Our dedicated team of researchers and scientists are committed to advancing cutting-edge solutions that improve patient outcomes. With a focus on precision medicine, Sun Bio aims to revolutionize the healthcare industry through groundbreaking discoveries and inventions.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

9 Patents

#18 in Walnut Creek, CA

#7,726 in California

#32,549 in US

Walnut Creek, CA, United States of America

Sun Bio, Inc.

Forward Citations = 258

16 inventors:

Kwang Nho (7 out of 7 patents)

Changmin Hyun (4 out of 4 patents)

Perry Rosen (4 out of 87 patents)

4. Junghoon Lee (2 out of 30 patents)

5. Min Jung Ahn (1 out of 1 patent)

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