Growing community of inventors

Bunkyo-ku, Japan

Mayuko Hirahara

Average Co-Inventor Count = 3.09

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

Mayuko HiraharaIzumi Katsuta (4 patents)Mayuko HiraharaKoji Endo (1 patent)Mayuko HiraharaEiji Terada (1 patent)Mayuko HiraharaKenji Kaneda (1 patent)Mayuko HiraharaHiroki Mizushima (1 patent)Mayuko HiraharaAzusa Kasuga (1 patent)Mayuko HiraharaMasahiro Miyaki (1 patent)Mayuko HiraharaSatoshi Ozawa (1 patent)Mayuko HiraharaKouji Endou (1 patent)Mayuko HiraharaEiko Nishisaka (1 patent)Mayuko HiraharaTetsuji Kitou (1 patent)Mayuko HiraharaMayuko Hirahara (5 patents)Izumi KatsutaIzumi Katsuta (4 patents)Koji EndoKoji Endo (30 patents)Eiji TeradaEiji Terada (13 patents)Kenji KanedaKenji Kaneda (5 patents)Hiroki MizushimaHiroki Mizushima (3 patents)Azusa KasugaAzusa Kasuga (3 patents)Masahiro MiyakiMasahiro Miyaki (3 patents)Satoshi OzawaSatoshi Ozawa (3 patents)Kouji EndouKouji Endou (1 patent)Eiko NishisakaEiko Nishisaka (1 patent)Tetsuji KitouTetsuji Kitou (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (5 from 3,603 patents)


5 patents:

1. 9974732 - Cleansing composition

2. 9138399 - Cleaning agent composition

3. 9132076 - Cleaning agent composition

4. 9114084 - Cleaning agent composition

5. 8940673 - Skin cleansing composition

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as of
1/5/2026
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