Growing community of inventors

Musashino, Japan

Takamasa Ohno

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

Takamasa Ohno ↔ Shoichi Kanda (1 patent)Takamasa Ohno ↔ Yoshiyuki Yamaguchi (1 patent)Takamasa Ohno ↔ Masami Murakami (1 patent)Takamasa Ohno ↔ Tsuyoshi Nakagawa (1 patent)Takamasa Ohno ↔ Keietsu Kato (1 patent)Takamasa Ohno ↔ Shogo Suzuki (1 patent)Takamasa OhnoTakamasa Ohno (1 patent)Shoichi KandaShoichi Kanda (15 patents)Yoshiyuki YamaguchiYoshiyuki Yamaguchi (3 patents)Masami MurakamiMasami Murakami (1 patent)Tsuyoshi NakagawaTsuyoshi Nakagawa (1 patent)Keietsu KatoKeietsu Kato (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
1/8/2026
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