Growing community of inventors

Chicago, IL, United States of America

Perry Romanowski

Average Co-Inventor Count = 3.00

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 = 2

Perry RomanowskiGilles M Verboom (2 patents)Perry RomanowskiKari Bauer (2 patents)Perry RomanowskiPerry Romanowski (2 patents)Gilles M VerboomGilles M Verboom (8 patents)Kari BauerKari Bauer (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Conopco, Inc. (2 from 1,515 patents)

2. Alberto Culver Company (35 patents)


2 patents:

1. 8277789 - Method for inhibiting fading and enhancing color intensity of color-treated hair

2. 8277790 - Method for inhibiting fading and enhancing color intensity of color-treated hair

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1/13/2026
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