Growing community of inventors

Osaka, Japan

Yoshikazu Ishikawa

Average Co-Inventor Count = 7.00

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 = 12

Yoshikazu Ishikawa ↔ Masato Yoshino (1 patent)Yoshikazu Ishikawa ↔ Saiji Nozaki (1 patent)Yoshikazu Ishikawa ↔ Kazuo Oyama (1 patent)Yoshikazu Ishikawa ↔ Sukeo Tamura (1 patent)Yoshikazu Ishikawa ↔ Takahito Okubo (1 patent)Yoshikazu IshikawaYoshikazu Ishikawa (1 patent)Masato YoshinoMasato Yoshino (36 patents)Saiji NozakiSaiji Nozaki (11 patents)Kazuo OyamaKazuo Oyama (2 patents)Sukeo TamuraSukeo Tamura (1 patent)Takahito OkuboTakahito Okubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyowa Kabushiki Kaisha (1 from 9 patents)


1 patent:

1. 6305876 - Material and construction method of prevention of scour for the underwater structure

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as of
12/9/2025
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