Growing community of inventors

Chiba, Japan

Keietsu Kato

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

Keietsu Kato ↔ Shoichi Kanda (1 patent)Keietsu Kato ↔ Yoshiyuki Yamaguchi (1 patent)Keietsu Kato ↔ Masami Murakami (1 patent)Keietsu Kato ↔ Tsuyoshi Nakagawa (1 patent)Keietsu Kato ↔ Takamasa Ohno (1 patent)Keietsu Kato ↔ Shogo Suzuki (1 patent)Keietsu KatoKeietsu Kato (1 patent)Shoichi KandaShoichi Kanda (15 patents)Yoshiyuki YamaguchiYoshiyuki Yamaguchi (3 patents)Masami MurakamiMasami Murakami (1 patent)Tsuyoshi NakagawaTsuyoshi Nakagawa (1 patent)Takamasa OhnoTakamasa Ohno (1 patent)Shogo SuzukiShogo Suzuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nitto Chemical Industry Co., Ltd. (1 from 161 patents)

2. Japan Petroleum Exploration Co., Ltd. (1 from 80 patents)


1 patent:

1. 5487425 - Composition and method for recovery of petroleum and gas

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as of
12/30/2025
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