Growing community of inventors

Tokyo, Japan

Tadahiro Kumagai

Average Co-Inventor Count = 2.40

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 = 0

Tadahiro Kumagai ↔ Naoya Yoshida (1 patent)Tadahiro Kumagai ↔ Yuji Hayashi (1 patent)Tadahiro Kumagai ↔ Kaede Tamari (1 patent)Tadahiro Kumagai ↔ Kaede Tamari (1 patent)Tadahiro Kumagai ↔ Yuji Hayashi (1 patent)Tadahiro Kumagai ↔ Naoya Yoshida (1 patent)Tadahiro KumagaiTadahiro Kumagai (2 patents)Naoya YoshidaNaoya Yoshida (20 patents)Yuji HayashiYuji Hayashi (5 patents)Kaede TamariKaede Tamari (1 patent)Kaede TamariKaede Tamari (1 patent)Yuji HayashiYuji Hayashi (1 patent)Naoya YoshidaNaoya Yoshida (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Kasei Kabushiki Kaisha (2 from 943 patents)


2 patents:

1. 12427113 - Cellulose composition, tablet, and orally disintegrating tablet

2. 12290602 - Cellulose powder, use thereof, and tablets

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idiyas.com
as of
12/16/2025
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