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Herne Bay, United Kingdom

Pieter Ten Haken

Average Co-Inventor Count = 2.18

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 = 24

Pieter Ten HakenShirley B Webb (7 patents)Pieter Ten HakenMichael T Clark (3 patents)Pieter Ten HakenThomas W Naisby (1 patent)Pieter Ten HakenAndrew C Gray (1 patent)Pieter Ten HakenGraham C Smith (1 patent)Pieter Ten HakenBrian P Armitage (1 patent)Pieter Ten HakenRobert F Appleton (1 patent)Pieter Ten HakenPieter Ten Haken (12 patents)Shirley B WebbShirley B Webb (11 patents)Michael T ClarkMichael T Clark (11 patents)Thomas W NaisbyThomas W Naisby (7 patents)Andrew C GrayAndrew C Gray (5 patents)Graham C SmithGraham C Smith (2 patents)Brian P ArmitageBrian P Armitage (1 patent)Robert F AppletonRobert F Appleton (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (12 from 7,646 patents)


12 patents:

1. 4441912 - N-Pyrazinyl-N-benzylcarbamates, having fungicidal and plant growth

2. 4404213 - Derivatives of certain pyridyliminomethyl-benzenes

3. 4399149 - Fungicides

4. 4359576 - N-Pyrazinyl-N-benzylcarbamates, having fungicidal and plant growth

5. 4358446 - Use as fungicides of N-(3-pyridylmethyl)-N-acyl anilines

6. 4355035 - Derivatives of certain pyridyliminomethylbenzenes

7. 4304789 - Benzoin oxime fungicides

8. 4281134 - Derivatives of certain phenyliminomethylpyridines

9. 4239889 - 3-(N-Heterocyclyl)isoxazolidine fungicides

10. 4212868 - Certain fungicidal pyridinecarbaldehyde phenylhydrazones

11. 4163793 - Use of certain thiophenecarbaldehyde phenylhydrazones as fungicides

12. 4163062 - Fungicidal benzaldehyde-N-formyl-phenylhydrazones

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as of
12/16/2025
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