Growing community of inventors

Tokyo, Japan

Koji Hayakawa

Average Co-Inventor Count = 6.86

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

Koji HayakawaShintaro Yagi (2 patents)Koji HayakawaKunio Shiota (2 patents)Koji HayakawaKeiji Hirabayashi (1 patent)Koji HayakawaDaisuke Arai (1 patent)Koji HayakawaYukishige Ito (1 patent)Koji HayakawaTakefumi Kikusui (1 patent)Koji HayakawaMitsuko Takamori (1 patent)Koji HayakawaMitsuko Hirosawa-Takamori (1 patent)Koji HayakawaYasuharu Sakamoto (1 patent)Koji HayakawaHideharu Seto (1 patent)Koji HayakawaKoji Hayakawa (2 patents)Shintaro YagiShintaro Yagi (10 patents)Kunio ShiotaKunio Shiota (4 patents)Keiji HirabayashiKeiji Hirabayashi (27 patents)Daisuke AraiDaisuke Arai (21 patents)Yukishige ItoYukishige Ito (8 patents)Takefumi KikusuiTakefumi Kikusui (3 patents)Mitsuko TakamoriMitsuko Takamori (1 patent)Mitsuko Hirosawa-TakamoriMitsuko Hirosawa-Takamori (1 patent)Yasuharu SakamotoYasuharu Sakamoto (1 patent)Hideharu SetoHideharu Seto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The University of Tokyo (2 from 1,281 patents)


2 patents:

1. 9968624 - Depression treatment agent

2. 9480695 - Methods for inducing orexin neurons and agent for treating narcolepsy or eating disorder

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as of
12/10/2025
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