Growing community of inventors

Tyne and Wear, United Kingdom

Robert Michael Pettifer

Average Co-Inventor Count = 3.43

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 = 12

Robert Michael Pettifer ↔ Shirley Summers (2 patents)Robert Michael Pettifer ↔ Peter Gerard Gray (1 patent)Robert Michael Pettifer ↔ Paul R Sherrington (1 patent)Robert Michael Pettifer ↔ Victor Stuart Reid (1 patent)Robert Michael Pettifer ↔ Peter Gerard Gray (0 patent)Robert Michael PettiferRobert Michael Pettifer (2 patents)Shirley SummersShirley Summers (2 patents)Peter Gerard GrayPeter Gerard Gray (7 patents)Paul R SherringtonPaul R Sherrington (5 patents)Victor Stuart ReidVictor Stuart Reid (3 patents)Peter Gerard GrayPeter Gerard Gray (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Procter Gamble Company (2 from 17,167 patents)


2 patents:

1. 6756353 - Detergent compositions or components

2. 6726731 - Fabric treatment composition

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as of
12/26/2025
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