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Andijk, Netherlands

Johanna B Jonkers

Average Co-Inventor Count = 1.11

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 = 5

Johanna B JonkersErik Smit (6 patents)Johanna B JonkersJohanna B Jonkers (31 patents)Erik SmitErik Smit (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Goldsmith Seeds Inc. (25 from 228 patents)

2. Goldsmith Seeds Europe B.v. (6 from 47 patents)


31 patents:

1. PP18100 - Impatiens plant named 'Silte Pursar'

2. PP18056 - Impatiens plant named 'Silte Pinka'

3. PP18015 - Impatiens plant named 'Silte Litpinka'

4. PP18029 - Impatiens plant named 'Silte Oransar'

5. PP18014 - Impatiens plant named 'Silte Pinkcie'

6. PP18007 - Impatiens plant named 'Silte Rossa'

7. PP17328 - Impatiens plant named 'Butly Depink'

8. PP17255 - Impatiens plants named 'Butly Lilla'

9. PP17252 - Diascia plant named 'Dala Reeda'

10. PP17217 - Diascia plant named 'Dala Desal'

11. PP17215 - Diascia plant named 'Dala Litpink'

12. PP17199 - Diascia plant named 'Dala Pinka'

13. PP17200 - Diascia plant named 'Dala Rossa'

14. PP17173 - Diascia plant named 'Dala Whit'

15. PP17114 - Impatiens plant named 'Butly Laver'

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as of
12/18/2025
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