Growing community of inventors

Saitama, Japan

Akifumi Kitahara

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 = 2

Akifumi Kitahara ↔ Kiyomi Yamatsu (1 patent)Akifumi Kitahara ↔ Noriyasu Hirose (1 patent)Akifumi Kitahara ↔ Shizuo Kuriyama (1 patent)Akifumi Kitahara ↔ Takeshi Uzuo (1 patent)Akifumi KitaharaAkifumi Kitahara (1 patent)Kiyomi YamatsuKiyomi Yamatsu (21 patents)Noriyasu HiroseNoriyasu Hirose (11 patents)Shizuo KuriyamaShizuo Kuriyama (6 patents)Takeshi UzuoTakeshi Uzuo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eisai Ci., Ltd. (1 from 1 patent)


1 patent:

1. 4514395 - Phenothiazine derivatives and anti-psychotic drugs containing the same

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as of
12/11/2025
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