Growing community of inventors

Ibaraki, Japan

Hiroshi Kakisawa

Average Co-Inventor Count = 3.00

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 = 1

Hiroshi Kakisawa ↔ Nobuo Ohno (1 patent)Hiroshi Kakisawa ↔ Takenori Kusumi (1 patent)Hiroshi KakisawaHiroshi Kakisawa (1 patent)Nobuo OhnoNobuo Ohno (26 patents)Takenori KusumiTakenori Kusumi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,894 patents)


1 patent:

1. 4840658 - Algicidal composition

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12/29/2025
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