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Fakenham, United Kingdom

Richard John Hirst

Average Co-Inventor Count = 1.96

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 = 82

Richard John HirstJohn Michael Tamkin (1 patent)Richard John HirstRichard D Evans (1 patent)Richard John HirstJohn Michael Rodgers (1 patent)Richard John HirstAlan Constantine (1 patent)Richard John HirstMatthew Scott Howarth (1 patent)Richard John HirstPeter D Briggs (1 patent)Richard John HirstRichard John Hirst (3 patents)John Michael TamkinJohn Michael Tamkin (12 patents)Richard D EvansRichard D Evans (9 patents)John Michael RodgersJohn Michael Rodgers (8 patents)Alan ConstantineAlan Constantine (3 patents)Matthew Scott HowarthMatthew Scott Howarth (1 patent)Peter D BriggsPeter D Briggs (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sinclair International Limited (2 from 4 patents)

2. Other (1 from 832,912 patents)


3 patents:

1. 8570356 - Optical system for direct imaging of light markable material

2. 5788284 - Labels

3. 4896793 - Labelling machines

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as of
1/6/2026
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