Growing community of inventors

Yarm, United Kingdom

Stephen R Spruce

Average Co-Inventor Count = 5.00

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 = 5

Stephen R Spruce ↔ Keith Robson (1 patent)Stephen R Spruce ↔ Michael John Trendell (1 patent)Stephen R Spruce ↔ Martin R Davis (1 patent)Stephen R Spruce ↔ Kevin Drury (1 patent)Stephen R SpruceStephen R Spruce (1 patent)Keith RobsonKeith Robson (7 patents)Michael John TrendellMichael John Trendell (2 patents)Martin R DavisMartin R Davis (1 patent)Kevin DruryKevin Drury (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tioxide Group Services Limited (1 from 36 patents)


1 patent:

1. 5622628 - Titanium dioxide slurries concentration

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as of
12/16/2025
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