Growing community of inventors

Bellevue, WA, United States of America

Charles L Friedman

Average Co-Inventor Count = 2.00

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 = 28

Charles L FriedmanMike Pell (4 patents)Charles L FriedmanCharles L Friedman (4 patents)Mike PellMike Pell (23 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Microsoft Technology Licensing, LLC (4 from 54,719 patents)


4 patents:

1. 8612865 - Mobile information services

2. 7761799 - Mobile information services

3. 7565175 - Mobile information services

4. 7356332 - Mobile information system for presenting information to mobile devices

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as of
12/28/2025
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