Growing community of inventors

Park Ridge, IL, United States of America

Robert Annis

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 = 29

Robert AnnisJulian Richard Payne (1 patent)Robert AnnisRobert Alan Butkiewicz (1 patent)Robert AnnisFrancis E Ponton (1 patent)Robert AnnisJeremy S Robotham (1 patent)Robert AnnisTrevor J Hayes (1 patent)Robert AnnisDaniel Gleason (1 patent)Robert AnnisRobert Annis (1 patent)Julian Richard PayneJulian Richard Payne (23 patents)Robert Alan ButkiewiczRobert Alan Butkiewicz (7 patents)Francis E PontonFrancis E Ponton (6 patents)Jeremy S RobothamJeremy S Robotham (5 patents)Trevor J HayesTrevor J Hayes (2 patents)Daniel GleasonDaniel Gleason (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (1 from 1,702 patents)


1 patent:

1. 6508179 - Unpowered toy vehicle play set

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as of
12/17/2025
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