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Kawaguchi, Japan

Akira Shibamichi

Average Co-Inventor Count = 1.00

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 = 0

Akira ShibamichiAkira Shibamichi (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hines Nurseries, Inc. (5 from 52 patents)

2. Itsaul Plants LLC (1 from 61 patents)

3. Southern Plant Group, LLC (1 from 7 patents)


7 patents:

1. PP25770 - plant named 'sPg-3-003'

2. PP18561 - Acer palmatum plant named 'Garnet Tower'

3. PP17203 - Plant variety of Davidia involucrata named 'Purpleleaf'

4. PP17066 - Plant variety Davidia involucrata named 'Aya Nishiki'

5. PP16433 - Tilia cordata plant named 'Shibamichi Gold'

6. PP12349 - Camellia rosthorniana plant named 'Elina'

7. PP12304 - Camellia plant named 'Elina Cascade'

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as of
12/16/2025
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