Growing community of inventors

Wako, Japan

Yo-ichi 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 = 4

Yo-ichi Ishikawa ↔ Shigeyoshi Arai (1 patent)Yo-ichi Ishikawa ↔ Takao Oshima (1 patent)Yo-ichi Ishikawa ↔ Shohei Isomura (1 patent)Yo-ichi Ishikawa ↔ Kyoko Sugita (1 patent)Yo-ichi Ishikawa ↔ Tatsuhiko Honguu (1 patent)Yo-ichi Ishikawa ↔ Masatsugu Kamioka (1 patent)Yo-ichi IshikawaYo-ichi Ishikawa (1 patent)Shigeyoshi AraiShigeyoshi Arai (6 patents)Takao OshimaTakao Oshima (5 patents)Shohei IsomuraShohei Isomura (4 patents)Kyoko SugitaKyoko Sugita (3 patents)Tatsuhiko HonguuTatsuhiko Honguu (2 patents)Masatsugu KamiokaMasatsugu Kamioka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shin-etsu Chemical Co., Ltd. (1 from 5,967 patents)

2. Rikagaku Kenkyusho (1 from 126 patents)


1 patent:

1. 4824537 - Working substances used in laser isotope separation and method of laser

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12/13/2025
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