Growing community of inventors

Blackburn, United Kingdom

Christopher D Gabbutt

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 40

Christopher D Gabbutt ↔ Martin Rickwood (3 patents)Christopher D Gabbutt ↔ John D Hepworth (3 patents)Christopher D Gabbutt ↔ Sean D Marsden (2 patents)Christopher D Gabbutt ↔ Katharine E Smith (1 patent)Christopher D GabbuttChristopher D Gabbutt (3 patents)Martin RickwoodMartin Rickwood (8 patents)John D HepworthJohn D Hepworth (4 patents)Sean D MarsdenSean D Marsden (5 patents)Katharine E SmithKatharine E Smith (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pilkington Plc (3 from 107 patents)


3 patents:

1. 5623005 - Photochromic naphthopyran compounds

2. 5520853 - Photochromic compounds

3. 5446151 - Photo reactive spiro-benzoxazine compounds

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as of
12/14/2025
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