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For the Inventor, By the Inventor

Boskoop, Netherlands

Gebr. Kolster B.v.

Calculating rank
USPTO Granted Patents = 29

Forward Citations = 14

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5 inventors (with patents filed for the assignee):

goldMedal Peter R Kolster (14 out of 52 patents)

silverMedal Jan De Jong (12 out of 24 patents)

bronzeMedal Pieter Kolster (1 out of 3 patents)

4.  Jack Boot (1 out of 1 patent)

5.  Hans Van Leyssen (1 out of 1 patent)


Core Competencies:
Weigela
Hypericum
Symphoricarpos
Rose
Cotinus
Baccharis
Ilex
Philadelphus
Plant Varieties
Cultivar Development
Horticultural Innovations
Plant Genetics

29 patents:

1. PP16452 - Weigela plant named 'Kolmas' (2006-04-18),
2. PP16042 - Rose plant named 'Kolgian' (2005-10-18),
3. PP14911 - Hypericum plant named 'Kolmblac' (2004-06-16),
4. PP14570 - Symphoricarpos plant named 'Bokrabright' (2004-03-03),
5. PP14562 - Hypericum plant named 'Kolmfir' (2004-02-25),
6. PP14561 - Symphoricarpos plant named 'Kolmsno' (2004-02-25),
7. PP14120 - Cotinus plant named 'Kolcot' (2003-09-03),
8. PP13895 - Baccharis plant named 'Kolmstar' (2003-06-18),
9. PP13774 - Philadelphus plant named 'Snowwhite Fantasy' (2003-05-07),
10. PP13770 - Baccharis plant named 'Kolmsil' (2003-05-07),
11. PP13768 - Ilex plant named 'Kolmber' (2003-05-07),
12. PP13744 - Baccharis plant named 'Kolmmyst' (2003-04-30),
13. PP13585 - Rose plant named 'Kolmag' (2003-02-19),
14. PP13584 - Photinia plant named 'Kolcurl' (2003-02-19),
15. PP13582 - Rose plant named 'Kolamaz' (2003-02-19),
Company Overview
Gebr. Kolster B.V. is a Dutch company based in Boskoop, specializing in the development and manufacturing of innovative horticultural products. The organization focuses on enhancing plant cultivation techniques and offers solutions that cater to the needs of professional growers. With a commitment to sustainability and efficiency, Gebr. Kolster B.V. leverages advanced technologies to improve agricultural practices, ensuring high-quality outputs while minimizing environmental impact. Its expertise spans various aspects of horticulture, contributing to the advancement of the industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

29 Patents

#2 in Boskoop

#256 in Netherlands

#22,581 in the World

Boskoop, NL
Boskoop, Netherlands

Gebr. Kolster B.v.

Forward Citations = 14

5 inventors:

goldMedal Peter R Kolster (14 out of 52 patents)

silverMedal Jan De Jong (12 out of 24 patents)

bronzeMedal Pieter Kolster (1 out of 3 patents)

4.  Jack Boot (1 out of 1 patent)

5.  Hans Van Leyssen (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gebr. Kolster B.v.. Retrieved from https://idiyas.com/company/gebr-kolster-b-v

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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