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For the Inventor, By the Inventor

Bonsall, CA, United States of America

Plant 21 LLC


USPTO Granted Patents = 164

Trademarks = 1

Forward Citations = 40

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13 inventors (with patents filed for the assignee):

goldMedal Ushio Sakazaki (124 out of 157 patents)

silverMedal Brent D Barnes (17 out of 36 patents)

bronzeMedal Rika Matsumoto (5 out of 9 patents)

4.  Akiko Takahashi (4 out of 5 patents)

5.  Brian Heiser (3 out of 3 patents)

6.  Rika Tsutsumi (3 out of 3 patents)

7.  Jessica Grice (2 out of 2 patents)

8.  Josh Miller (1 out of 1 patent)

9.  Petra Ibanez (1 out of 1 patent)

10.  Jessica Boldt (1 out of 1 patent)

11.  Tom Smith (1 out of 3 patents)

12.  Helmut Kientzler (1 out of 1 patent)

13.  Akiko Kitahara (1 out of 1 patent)


Core Competencies:
Plant Breeding
Horticultural Innovations
Genetic Modification
Plant Varieties
Cultivar Development
Botanical Research
Agricultural Biotechnology
Sustainable Agriculture
Ornamental Plants
Plant Genetics
Crop Improvement
Plant Propagation

164 patents:

1. PP33278 - plant named 'BBTUN93201' (2021-07-21),
2. PP32913 - plant named 'BBTUN22503' (2021-03-24),
3. PP32694 - plant named 'BBSAL01301' (2020-12-23),
4. PP32690 - plant named 'BBCAL91303' (2020-12-23),
5. PP32687 - plant named 'BBTUN04401' (2020-12-23),
6. PP32683 - plant named 'RIKAV52102' (2020-12-23),
7. PP32652 - plant named 'BBCAL83901' (2020-12-16),
8. PP32641 - plant named 'BBTUN91601M2' (2020-12-16),
9. PP31120 - plant named 'USHYD0405' (2019-11-27),
10. PP30962 - plant named 'RIKAV44101' (2019-10-23),
11. PP30923 - plant named 'BBSAL00301' (2019-10-02),
12. PP30899 - plant named 'RIKAV45801' (2019-09-25),
13. PP30897 - Verbena plant named 'RIKA1832M3' (2019-09-25),
14. PP30840 - plant named 'BBCAL85303' (2019-08-21),
15. PP30839 - plant named 'BBCAL81801' (2019-08-21),
Plant 21 LLC is a leading manufacturer of organic, sustainable, and eco-friendly plant-based products. Our mission is to provide high-quality, innovative solutions for the agriculture industry while promoting environmental conservation. With our state-of-the-art facilities and dedicated team, we strive to enhance crop yields, improve soil health, and protect natural resources. Visit our website to learn more about our products and services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

164 Patents

#1 in Bonsall, CA

#534 in California

#2,344 in US

#4,896 in the World

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Bonsall, CA, United States of America

Plant 21 LLC

Forward Citations = 40

13 inventors:

goldMedal Ushio Sakazaki (124 out of 157 patents)

silverMedal Brent D Barnes (17 out of 36 patents)

bronzeMedal Rika Matsumoto (5 out of 9 patents)

4.  Akiko Takahashi (4 out of 5 patents)

5.  Brian Heiser (3 out of 3 patents)

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