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Haarlem, Netherlands

Jan Verschoor

Average Co-Inventor Count = 1.00

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 = 12

Jan VerschoorJan Verschoor (44 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Witteman + Co. (18 from 52 patents)

2. A. Verschoor Horticulture Import-export B.v. (4 from 11 patents)


44 patents:

1. PP27701 - plant named 'Versraspberry'

2. PP25924 - plant named 'Bicolor Explosion'

3. PP25901 - plant named 'Baby Bomb'

4. PP24756 - plant named 'Pink Bomb'

5. PP24757 - plant named 'Purple Explosion'

6. PP24411 - plant named 'Amethyst Plume'

7. PP23962 - plant named 'Atomic Red Ray'

8. PP23938 - plant named 'Atomic Silvery Pink Ray'

9. PP23937 - plant named 'Atomic White'

10. PP23734 - plant named 'Twister'

11. PP23663 - plant named 'Tiara'

12. PP23143 - plant named 'Versred'

13. PP22592 - plant named 'Pink Explosion'

14. PP22509 - plant named 'Blue Bomb'

15. PP22497 - plant named 'Blue Explosion'

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as of
12/19/2025
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