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Longmont, CO, United States of America

Brian Campbell

Average Co-Inventor Count = 1.25

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

Brian CampbellHuazhang Huang (2 patents)Brian CampbellBrian Campbell (5 patents)Huazhang HuangHuazhang Huang (28 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Charlotte's Web, Inc. (3 from 15 patents)

2. Marrone Bio Innovations, Inc. (2 from 63 patents)


5 patents:

1. 12382891 - Hemp plant named 'CW-676'

2. 11666016 - Hemp plant named 'AF14B15-21'

3. 11503787 - Hemp plant named 'EM15B2A170'

4. 10470466 - Anthroquinone containing derivatives as biochemical agricultural products

5. 9380778 - Anthroquinone containing derivatives as biochemical agricultural products

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as of
12/18/2025
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