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Enkhuizen, Netherlands

Anna M W P Houbraken

Average Co-Inventor Count = 1.10

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 = 2

Anna M W P HoubrakenTheodorus Cornelis Maria Van Kleinwee (5 patents)Anna M W P HoubrakenAnna M W P Houbraken (28 patents)Theodorus Cornelis Maria Van KleinweeTheodorus Cornelis Maria Van Kleinwee (75 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Syngenta Seeds B.v. (27 from 222 patents)

2. Syngenta Seed B. V. (1 from 4 patents)


28 patents:

1. PP21404 - plant named 'Osecspovan'

2. PP20015 - Argyranthemum frutescens plant named 'Argyros'

3. PP19856 - Argyranthemum frutescens plant named 'Argylem'

4. PP19857 - Argyranthemum frutescens plant named 'Argymip'

5. PP19230 - Argyranthemum frutescens plant named 'Argypifri'

6. PP19037 - Argyranthemum plant named 'Argywhimi'

7. PP18991 - Bidens ferulifolia plant named 'Bidori'

8. PP18915 - Osteospermum plant named 'Osjamvan'

9. PP18887 - Bidens ferulifolia plant named 'Bidolbe'

10. PP18875 - Osteospermum plant named 'Osjamspowit'

11. PP18873 - Osteospermum plant named 'Oslalipu'

12. PP18872 - Osteospermum plant named 'Oslawit'

13. PP18809 - Argyranthemum frutescens plant named 'Argyelsin'

14. PP18808 - Argyranthemum frutescens plant named 'Argymidowi'

15. PP18754 - Asteriscus maritimus plant named 'Asmago'

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as of
12/19/2025
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