Growing community of inventors

Tokyo, Japan

Tokio Onta

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 = 3

Tokio Onta ↔ Eiji Nemoto (1 patent)Tokio Onta ↔ Katsuo Kumagai (1 patent)Tokio Onta ↔ Keiji Tamura (1 patent)Tokio Onta ↔ Hidemi Rikiishi (1 patent)Tokio Onta ↔ Shunji Sugawara (1 patent)Tokio Onta ↔ Shigefumi Okamoto (1 patent)Tokio OntaTokio Onta (1 patent)Eiji NemotoEiji Nemoto (11 patents)Katsuo KumagaiKatsuo Kumagai (3 patents)Keiji TamuraKeiji Tamura (2 patents)Hidemi RikiishiHidemi Rikiishi (1 patent)Shunji SugawaraShunji Sugawara (1 patent)Shigefumi OkamotoShigefumi Okamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Saikin Kagaku Kenkyujo (1 from 2 patents)


1 patent:

1. 5559211 - Biologically active product produced by streptococcus pyogenes and

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as of
12/18/2025
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