Growing community of inventors

Tokyo, Japan

Sumio Sakai

Average Co-Inventor Count = 5.00

ph-index = 2

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 = 44

Sumio SakaiNobuhiko Komatsu (2 patents)Sumio SakaiSyoichi Kikumoto (2 patents)Sumio SakaiKeitaro Kimura (2 patents)Sumio SakaiGosaku Saito (2 patents)Sumio SakaiSumio Sakai (2 patents)Nobuhiko KomatsuNobuhiko Komatsu (7 patents)Syoichi KikumotoSyoichi Kikumoto (3 patents)Keitaro KimuraKeitaro Kimura (2 patents)Gosaku SaitoGosaku Saito (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taito Company, Ltd. (2 from 19 patents)

2. Kaken Kagaku Kabushiki Kaisha (2 from 3 patents)


2 patents:

1. 3987166 - Treatment of tumors with glucan compositions in mice and rats

2. 3943247 - Treatment of bacterial infections with glucan compositions

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as of
1/14/2026
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