Growing community of inventors

Osaka, Japan

Hidenori Hirashima

Average Co-Inventor Count = 2.40

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 = 13

Hidenori HirashimaSakae Katayama (2 patents)Hidenori HirashimaYosuke Ito (2 patents)Hidenori HirashimaKatsuji Tsuji (1 patent)Hidenori HirashimaYoshimasa Yamada (1 patent)Hidenori HirashimaHidenori Hirashima (4 patents)Sakae KatayamaSakae Katayama (20 patents)Yosuke ItoYosuke Ito (7 patents)Katsuji TsujiKatsuji Tsuji (3 patents)Yoshimasa YamadaYoshimasa Yamada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Katayama Chemical, Inc. (4 from 20 patents)

2. Yoshitomi Pharmaceutical Industries, Ltd. (1 from 198 patents)


4 patents:

1. 5411990 - Industrial microbicide and a method for killing microbes for industrial

2. 5397804 - Industrial microbicide and a method for killing microbes for industrial

3. 5026723 - Microbicidal/microbiostatic composition for industrial use

4. 4963586 - Microbicidal/microbistatic composition

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as of
12/14/2025
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