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De Lier, Netherlands

Jacques C Van Der Knaap

Average Co-Inventor Count = 1.01

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 = 33

Jacques C Van Der KnaapGerhard Van Steekelenburg (1 patent)Jacques C Van Der KnaapJacques C Van Der Knaap (68 patents)Gerhard Van SteekelenburgGerhard Van Steekelenburg (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fides Beheer B.v. (49 from 80 patents)

2. Fides, Handelskwekerij (8 from 8 patents)

3. Pan American Plant Company (5 from 116 patents)

4. Ball Pan Am Plant Company (3 from 56 patents)

5. Yoder Brothers, Inc. (1 from 999 patents)

6. Fides Research and Breeding B.v. (1 from 1 patent)

7. Fides Beheer (1 from 1 patent)


68 patents:

1. PP9166 - Chrysanthemum plant named `Champion`

2. PP9165 - Chrysanthemum plant named `Red Champion`

3. PP8641 - Chrysanthemum plant--Glasnost cultivar

4. PP8370 - Chrysanthemum plant--Whisper cultivar

5. PP8167 - Chrysanthemum plant -- Snow Bijoux cultivar

6. PP8151 - Chrysanthemum plant -- Buttercup cultivar

7. PP8152 - Chrysanthemum plant -- Lierway cultivar

8. PP8096 - Chrysanthemum plant -- Tigris cultivar

9. PP8072 - Chrysanthemum plant--Myway cultivar

10. PP8052 - Chrysanthemum plant--Puma cultivar

11. PP8046 - Chrysanthemum plant -- Cocarde cultivar

12. PP8047 - Chrysanthemum plant -- Majoor Bosshardt cultivar

13. PP8044 - Chrysanthemum plant -- Mundial cultivar

14. PP8045 - Chrysanthemum plant -- Yellow Impala cultivar

15. PP8041 - Chrysanthemum plant--Bronze Mundial cultivar

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9/10/2025
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