Growing community of inventors

Palo Alto, CA, United States of America

Spencer Johnson

Average Co-Inventor Count = 7.00

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 = 52

Spencer Johnson ↔ Erik Allen Charlton (1 patent)Spencer Johnson ↔ Christophe Dayer (1 patent)Spencer Johnson ↔ Jean-Daniel Zanone (1 patent)Spencer Johnson ↔ Eric Andre Tissot-Dupont (1 patent)Spencer Johnson ↔ Greg Dizac (1 patent)Spencer Johnson ↔ Asif Ashan (1 patent)Spencer JohnsonSpencer Johnson (1 patent)Erik Allen CharltonErik Allen Charlton (21 patents)Christophe DayerChristophe Dayer (17 patents)Jean-Daniel ZanoneJean-Daniel Zanone (9 patents)Eric Andre Tissot-DupontEric Andre Tissot-Dupont (9 patents)Greg DizacGreg Dizac (6 patents)Asif AshanAsif Ashan (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Logitech Europe S.a. (1 from 1,195 patents)


1 patent:

1. 8686944 - Software for input devices with application-specific scrolling and highlighted text searching

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as of
12/7/2025
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