Growing community of inventors

San Francisco, CA, United States of America

Derek Hammer

Average Co-Inventor Count = 4.67

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 75

Derek HammerJesse Lee Reiss (3 patents)Derek HammerJeffrey Frank Iacono (3 patents)Derek HammerAlexander Soong (2 patents)Derek HammerMichael Paul Thole (1 patent)Derek HammerKeith Chu (1 patent)Derek HammerFion Lam (1 patent)Derek HammerRyan Gerard (1 patent)Derek HammerDerek Hammer (3 patents)Jesse Lee ReissJesse Lee Reiss (32 patents)Jeffrey Frank IaconoJeffrey Frank Iacono (16 patents)Alexander SoongAlexander Soong (2 patents)Michael Paul TholeMichael Paul Thole (11 patents)Keith ChuKeith Chu (3 patents)Fion LamFion Lam (2 patents)Ryan GerardRyan Gerard (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Square, Inc. (2 from 747 patents)

2. Doordash, Inc. (1 from 91 patents)


3 patents:

1. 11010819 - Application programming interfaces for fulfilment services

2. 9934530 - Application programming interfaces for courier services

3. 9928540 - System for integrating courier service with customer applications

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as of
12/28/2025
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