Growing community of inventors

Tokyo, Japan

Aya Hirano

Average Co-Inventor Count = 4.20

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 = 42

Aya Hirano ↔ Takashi Itou (1 patent)Aya Hirano ↔ Tadashi Nomura (1 patent)Aya Hirano ↔ Yuji Hirano (1 patent)Aya Hirano ↔ Naohisa Kure (1 patent)Aya Hirano ↔ Michiko Asami (1 patent)Aya Hirano ↔ Yoshiaki Itou (1 patent)Aya Hirano ↔ Atsushi Uzu (1 patent)Aya Hirano ↔ Emiko Kouzu (1 patent)Aya HiranoAya Hirano (2 patents)Takashi ItouTakashi Itou (37 patents)Tadashi NomuraTadashi Nomura (30 patents)Yuji HiranoYuji Hirano (12 patents)Naohisa KureNaohisa Kure (11 patents)Michiko AsamiMichiko Asami (2 patents)Yoshiaki ItouYoshiaki Itou (1 patent)Atsushi UzuAtsushi Uzu (1 patent)Emiko KouzuEmiko Kouzu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (2 from 3,603 patents)


2 patents:

1. 6190648 - Hair cosmetics

2. 5683685 - Hair cosmetic composition

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as of
1/2/2026
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