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San Mateo, CA, United States of America

Robert S Chea

Average Co-Inventor Count = 3.00

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 = 112

Robert S CheaJames Morris (5 patents)Robert S CheaGautam Prabhu (5 patents)Robert S CheaRobert S Chea (5 patents)James MorrisJames Morris (32 patents)Gautam PrabhuGautam Prabhu (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Powerreviews, Inc. (4 from 4 patents)

2. Powerreviews Oc, LLC (1 from 2 patents)


5 patents:

1. 9648093 - Application service provider delivery system

2. 8825793 - Application service provider delivery system

3. 7937391 - Consumer product review system using a comparison chart

4. 7930363 - Application service provider delivery system

5. 7620651 - System for dynamic product summary based on consumer-contributed keywords

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as of
12/6/2025
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