Growing community of inventors

De Lier, Netherlands

Maria Helena Roosenboom-Kooijmans

Average Co-Inventor Count = 2.08

ph-index = 3

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 = 56

Maria Helena Roosenboom-KooijmansWillem Van Vliet (22 patents)Maria Helena Roosenboom-KooijmansFloor Cathleen Van Malland-Den Otter (3 patents)Maria Helena Roosenboom-KooijmansJohannes Petrus Antonius Jansen (2 patents)Maria Helena Roosenboom-KooijmansRyan Joseph McMillen (2 patents)Maria Helena Roosenboom-KooijmansMaria Tomas Garcia (1 patent)Maria Helena Roosenboom-KooijmansMaria Helena Roosenboom-Kooijmans (25 patents)Willem Van VlietWillem Van Vliet (32 patents)Floor Cathleen Van Malland-Den OtterFloor Cathleen Van Malland-Den Otter (3 patents)Johannes Petrus Antonius JansenJohannes Petrus Antonius Jansen (22 patents)Ryan Joseph McMillenRyan Joseph McMillen (2 patents)Maria Tomas GarciaMaria Tomas Garcia (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rijk Zwaan Zaadteelt En Zaadhandel B.v. (25 from 366 patents)


25 patents:

1. 12402583 - Lettuce variety 45-IC3262 RZ

2. 12396416 - Lettuce variety 45-IC3284 RZ

3. 12256687 - Lettuce variety 41-CR2537 RZ

4. 11277984 - Lettuce variety 45-113 RZ

5. 10952387 - Lettuce variety 42-167 RZ

6. 10743498 - Lettuce variety 45-100 RZ

7. 10412914 - Lettuce variety 45-123 RZ

8. 10412915 - Lettuce variety 45-183 RZ

9. 10412912 - Lettuce variety 45-194 RZ

10. 10362743 - Lettuce variety 41-673 RZ

11. 10342196 - Lettuce variety 41-692 RZ

12. 10321651 - Lettuce variety 45-161 RZ

13. 10285358 - Lettuce variety 41-655 RZ

14. 10271502 - Lettuce variety 45-175 RZ

15. 10226017 - Lettuce variety 41-607 RZ

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as of
12/20/2025
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