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Woodinville, WA, United States of America

John M Kellum

Average Co-Inventor Count = 3.13

ph-index = 2

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 = 11

John M KellumJames Alan Billmaier (6 patents)John M KellumDavid Paul Billmaier (6 patents)John M KellumKristopher C Billmaier (1 patent)John M KellumJohn M Kellum (6 patents)James Alan BillmaierJames Alan Billmaier (57 patents)David Paul BillmaierDavid Paul Billmaier (11 patents)Kristopher C BillmaierKristopher C Billmaier (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Patent Navigation Inc (6 from 8 patents)


6 patents:

1. 9639723 - Conditional RFID

2. 8994533 - Conditional RFID

3. 8892131 - Mobile location and map acquisition

4. 8688170 - Panoramic scene capture using a mobile wireless device

5. 8190196 - Generation and use of temporary phone numbers

6. 8185133 - Mobile location and map acquisition

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as of
12/16/2025
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