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For the Inventor, By the Inventor

Portland, OR, United States of America

Oxis International, Inc.


USPTO Granted Patents = 9

Forward Citations = 258

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18 inventors (with patents filed for the assignee):

goldMedal John A Ziemniak (4 out of 4 patents)

silverMedal Allen T Hopper (4 out of 4 patents)

bronzeMedal Robert E Johnson (3 out of 3 patents)

4.  L David Williams (1 out of 18 patents)

5.  Kirk L Sorgi (1 out of 20 patents)

6.  Bruce E Maryanoff (1 out of 101 patents)

7.  Jinzhu Xu (1 out of 7 patents)

8.  Min-Xin Fu (1 out of 1 patent)

9.  Dennis M Murray (1 out of 1 patent)

10.  Georges Appere (1 out of 4 patents)

11.  Daniel B Yarosh (1 out of 1 patent)

12.  Jean-Claude Y Yadan (1 out of 17 patents)

13.  Jean R Chaudiere (1 out of 14 patents)

14.  Ralph Somack (1 out of 5 patents)

15.  Mark Saifer (1 out of 4 patents)


9 patents:

1. 6407083 - Uses of novel organoselenium compounds with pro-oxidant activity (2002-06-18),
2. 6262073 - Pharmaceutical methods of use of 5-substituted and 5,5 disubstituted-3,4-dihydroxy-2(5H)-furanones (2001-07-17),
3. 6235495 - Methods for the quantitation of oxidized glutathione (2001-05-22),
4. 6136832 - 5,5-disubstituted-3,4-dihydroxy-2(5H)-furanones and methods of use (2000-10-24),
5. 6103746 - Methods and compositions for the protection of mitochondria (2000-08-15),
6. 6010685 - Skin protectant comprising 5-substituted and 5,5-disubstituted (2000-01-04),
7. 6005000 - 5,5-Disubstituted-3, 4-dihydroxy-2(5H)-furanones and methods of use (1999-12-21),
8. 5952187 - Topiramate immunoassay (1999-09-14),
9. 5468478 - Conjugates of superoxide dismutage coupled to high molecular weight (1995-11-21),
Company Overview
Oxis International, Inc. is a biotech company focused on developing innovative therapies for the treatment of various medical conditions. With a strong emphasis on oxidative stress-related diseases, Oxis is dedicated to improving health and wellness through cutting-edge research and product development. Their mission is to provide safe and effective solutions for improving overall quality of life.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#115 in Portland, OR

#350 in Oregon

#32,565 in US

Portland, OR (US)
Portland, OR, United States of America

Oxis International, Inc.

Forward Citations = 258

18 inventors:

goldMedal John A Ziemniak (4 out of 4 patents)

silverMedal Allen T Hopper (4 out of 4 patents)

bronzeMedal Robert E Johnson (3 out of 3 patents)

4.  L David Williams (1 out of 18 patents)

5.  Kirk L Sorgi (1 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oxis International, Inc.. Retrieved from https://idiyas.com/company/oxis-international

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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