Growing community of inventors

Bunkyo-ku, Japan

Izumi Katsuta

Average Co-Inventor Count = 2.93

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

Izumi KatsutaMasao Shimizu (38 patents)Izumi KatsutaMayuko Hirahara (4 patents)Izumi KatsutaEiji Terada (1 patent)Izumi KatsutaAzusa Kasuga (1 patent)Izumi KatsutaSatoshi Ozawa (1 patent)Izumi KatsutaHiroki Mizushima (1 patent)Izumi KatsutaEiko Nishisaka (1 patent)Izumi KatsutaKouji Endou (1 patent)Izumi KatsutaTetsuji Kitou (1 patent)Izumi KatsutaAtsunobu Fujii (0 patent)Izumi KatsutaIzumi Katsuta (4 patents)Masao ShimizuMasao Shimizu (38 patents)Mayuko HiraharaMayuko Hirahara (5 patents)Eiji TeradaEiji Terada (13 patents)Azusa KasugaAzusa Kasuga (3 patents)Satoshi OzawaSatoshi Ozawa (3 patents)Hiroki MizushimaHiroki Mizushima (3 patents)Eiko NishisakaEiko Nishisaka (1 patent)Kouji EndouKouji Endou (1 patent)Tetsuji KitouTetsuji Kitou (1 patent)Atsunobu FujiiAtsunobu Fujii (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (4 from 3,604 patents)


4 patents:

1. 9974732 - Cleansing composition

2. 9138399 - Cleaning agent composition

3. 9132076 - Cleaning agent composition

4. 9114084 - Cleaning agent composition

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as of
1/8/2026
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