Mountain View, CA, United States of America

Ddi Pharmaceuticals, Inc.

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 359

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3 inventors (with patents filed for the assignee):

L David Williams (3 out of 18 patents)

Ralph Somack (3 out of 5 patents)

Mark Saifer (3 out of 4 patents)

3 patents: Sort by Forward Citations

1. 5283317 - Intermediates for conjugation of polypeptides with high molecular weight (1994-02-01),

2. 5080891 - Conjugates of superoxide dismutase coupled to high molecular weight (1992-01-14),

3. 5006333 - Conjugates of superoxide dismutase coupled to high molecular weight (1991-04-09),

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USPTO Data Jan 1 1976 - Nov 10 2026

3 Patents

#514 in Mountain View, CA

#16,900 in California

#74,027 in US

Mountain View, CA, United States of America

Ddi Pharmaceuticals, Inc.

Forward Citations = 359

3 inventors:

L David Williams (3 out of 18 patents)

Ralph Somack (3 out of 5 patents)

Mark Saifer (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ddi Pharmaceuticals, Inc.. Retrieved from https://idiyas.com/company/ddi-pharmaceuticals

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]