Growing community of inventors

Okayama, Japan

Keijiro Kato

Average Co-Inventor Count = 5.00

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 = 5

Keijiro Kato ↔ Akihiro Yamamoto (1 patent)Keijiro Kato ↔ Hiroko Usami (1 patent)Keijiro Kato ↔ Yutaka Sugawara (1 patent)Keijiro Kato ↔ Shozo Kotani (1 patent)Keijiro KatoKeijiro Kato (1 patent)Akihiro YamamotoAkihiro Yamamoto (51 patents)Hiroko UsamiHiroko Usami (3 patents)Yutaka SugawaraYutaka Sugawara (3 patents)Shozo KotaniShozo Kotani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chugai Seiyaku Kabushiki Kaisha (1 from 949 patents)


1 patent:

1. 4678773 - Antitumor agent

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as of
12/27/2025
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