Growing community of inventors

Yachiyo, Japan

Hiroshi Hirabayashi

Average Co-Inventor Count = 1.83

ph-index = 6

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 = 188

Hiroshi HirabayashiShinzo Tsuda (3 patents)Hiroshi HirabayashiYuji Tamura (2 patents)Hiroshi HirabayashiHiroshi Hirabayashi (7 patents)Shinzo TsudaShinzo Tsuda (3 patents)Yuji TamuraYuji Tamura (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Keisei Rose Nurseries, Inc. (7 from 45 patents)

2. Suntory Limited (6 from 439 patents)


7 patents:

1. PP14136 - Petunia plant named 'KEIreom'

2. PP9342 - Petunia plant named `Revolution Violet`

3. PP8768 - Petunia plant named Revolution White

4. PP8489 - Petunia plant named `Revolution Pastelpink`

5. PP6914 - Petunia plant `Revolution Brilliantpink`

6. PP6915 - Petunia plant `Revolution Purplepink`

7. PP6899 - Petunia plant named `Revolution Brilliantpink-Mini`

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as of
12/16/2025
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