Growing community of inventors

Carol Stream, IL, United States of America

John Ahrens

Average Co-Inventor Count = 4.00

ph-index = 5

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 = 325

John AhrensJohn C Jasper (5 patents)John AhrensT Russell Shields (5 patents)John AhrensJoseph Kohler (5 patents)John AhrensJohn Ahrens (5 patents)John C JasperJohn C Jasper (27 patents)T Russell ShieldsT Russell Shields (9 patents)Joseph KohlerJoseph Kohler (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Navigation Technologies Corporation (4 from 127 patents)

2. Navteq North America, LLC (1 from 122 patents)


5 patents:

1. 6823255 - System and method for distributing information for storage media

2. 6289276 - System and method for distributing information for storage media

3. 6131066 - System and method for distributing information for storage media

4. 6018695 - System and method for distributing information for storage media

5. 5951620 - System and method for distributing information for storage media

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as of
12/5/2025
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