% Expired Patents = 60.0

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 5

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2 inventors (with patents filed for the assignee):

David M Tsai (4 out of 26 patents)

David Men Hwei Tsai (1 out of 1 patent)

Men Hwei Tsai (3 patents)

5 patents: Sort by Forward Citations

1. 7528108 - Compositions and methods for treating or preventing overweight or obesity with zinc-charged protein fragments (2009-05-05),

2. 7445784 - Polypeptide for the treatment of cancer and a method for preparation thereof (2008-11-04),

3. 7238662 - Alpha 2HS glycoprotein for treatment of cancer and a method for preparation thereof (2007-07-03),

4. 6352729 - Plant extract that inhibits the release of tumor necrosis factor alpha (TNF-alpha) (2002-03-05),

5. 6312737 - Method of inducing apoptosis in cancer cells using an extract of Melothria indica Lou (2001-11-06),

Company Overview

Ambryx Biotechnology, Inc. is a leading biotech company focused on developing innovative therapeutics for a variety of diseases. With a strong emphasis on research and development, Ambryx is committed to improving patient outcomes and advancing medical science. Their team of experts includes renowned scientists and industry veterans dedicated to making a positive impact in the healthcare sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#23 in Riverside, CA

#12,070 in California

#51,620 in US

Riverside, CA, United States of America

Ambryx Biotechnology, Inc.

Forward Citations = 5

2 inventors:

David M Tsai (4 out of 26 patents)

David Men Hwei Tsai (1 out of 1 patent)

Men Hwei Tsai (3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ambryx Biotechnology, Inc.. Retrieved from https://idiyas.com/company/ambryx-biotechnology

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]

1 patent (CIPO):

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]

1 patent (EPO):

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]