Growing community of inventors

De Lier, Netherlands

Rudolf Verhoef

Average Co-Inventor Count = 3.70

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 = 0

Rudolf VerhoefZeger Otto Van Herwijnen (4 patents)Rudolf VerhoefArie Vogelaar (4 patents)Rudolf VerhoefEvert Willem Gutteling (3 patents)Rudolf VerhoefDorthe Bettina Drager (3 patents)Rudolf VerhoefJohan Cornelis Solleveld (1 patent)Rudolf VerhoefDörthe Bettina Dräger (1 patent)Rudolf VerhoefDörthe Bettina DRÄGER (0 patent)Rudolf VerhoefRudolf Verhoef (5 patents)Zeger Otto Van HerwijnenZeger Otto Van Herwijnen (10 patents)Arie VogelaarArie Vogelaar (5 patents)Evert Willem GuttelingEvert Willem Gutteling (7 patents)Dorthe Bettina DragerDorthe Bettina Drager (6 patents)Johan Cornelis SolleveldJohan Cornelis Solleveld (24 patents)Dörthe Bettina DrägerDörthe Bettina Dräger (5 patents)Dörthe Bettina DRÄGERDörthe Bettina DRÄGER (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rijk Zwaan Zaadteelt En Zaadhandel B.v. (5 from 366 patents)


5 patents:

1. 11497189 - Pepino mosaic virus resistant tomato plant

2. 10368509 - Pepino mosaic virus resistant tomato plant

3. 9637757 - Pepino Mosaic Virus resistant tomato plant

4. 9603318 - Hybrid tomato variety 72-240 RZ

5. 9241455 - [object Object]

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as of
12/19/2025
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