Growing community of inventors

Birmingham, United Kingdom

David Billington

Average Co-Inventor Count = 5.89

ph-index = 2

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 = 20

David BillingtonAlain Pierre (2 patents)David BillingtonGhanem Atassi (2 patents)David BillingtonNicolas Guilbaud (2 patents)David BillingtonMichael Burbridge (2 patents)David BillingtonIsabelle Picard (2 patents)David BillingtonJacques Duhault (1 patent)David BillingtonGilbert Dorey (1 patent)David BillingtonJoseph Espinal (1 patent)David BillingtonPascale Leon (1 patent)David BillingtonDavid Billington (3 patents)Alain PierreAlain Pierre (46 patents)Ghanem AtassiGhanem Atassi (37 patents)Nicolas GuilbaudNicolas Guilbaud (7 patents)Michael BurbridgeMichael Burbridge (3 patents)Isabelle PicardIsabelle Picard (2 patents)Jacques DuhaultJacques Duhault (32 patents)Gilbert DoreyGilbert Dorey (4 patents)Joseph EspinalJoseph Espinal (4 patents)Pascale LeonPascale Leon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Adir Et Compagnie (3 from 368 patents)


3 patents:

1. 5648382 - Cyclohexane compounds

2. 5595976 - Tetrahydropyran compounds

3. 5422365 - Naphthalene compounds

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as of
12/6/2025
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