Growing community of inventors

San Diego, CA, United States of America

David S Cha

Average Co-Inventor Count = 2.18

ph-index = 1

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 = 8

David S ChaKenneth H Oertle (3 patents)David S ChaDaniel Andrew Deninger (2 patents)David S ChaJason M Riggs (2 patents)David S ChaMichael Anger (1 patent)David S ChaDaniel A Deninger (1 patent)David S ChaDavid S Cha (4 patents)Kenneth H OertleKenneth H Oertle (6 patents)Daniel Andrew DeningerDaniel Andrew Deninger (68 patents)Jason M RiggsJason M Riggs (14 patents)Michael AngerMichael Anger (1 patent)Daniel A DeningerDaniel A Deninger (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Omnitracs, LLC (4 from 74 patents)


4 patents:

1. 10771561 - Managing selective access of a user equipment to internet-based services based on transport type

2. 10149157 - Device communication management in a communication system

3. 10003652 - Managing selective access of a user equipment to internet-based services based on transport type

4. 9713000 - Systems and methods for performing over-the-air activation while roaming

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as of
12/19/2025
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