Growing community of inventors

San Francisco, CA, United States of America

Phillip John Ludwig

Average Co-Inventor Count = 4.00

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 = 4

Phillip John Ludwig ↔ Stuart Loh (1 patent)Phillip John Ludwig ↔ David Whitfield Morriss (1 patent)Phillip John Ludwig ↔ Sean Duncan Holbert (1 patent)Phillip John LudwigPhillip John Ludwig (1 patent)Stuart LohStuart Loh (1 patent)David Whitfield MorrissDavid Whitfield Morriss (1 patent)Sean Duncan HolbertSean Duncan Holbert (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Surveymonkey Inc. (1 from 5 patents)


1 patent:

1. 9398450 - Mobile survey tools with added security

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as of
12/29/2025
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