Growing community of inventors

Kyoto, Japan

Katsuji Tsuji

Average Co-Inventor Count = 2.77

ph-index = 3

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 = 20

Katsuji Tsuji ↔ Yoichi Sano (2 patents)Katsuji Tsuji ↔ Sakae Katayama (1 patent)Katsuji Tsuji ↔ Yosuke Ito (1 patent)Katsuji Tsuji ↔ Sakae Katayama, Deceased (1 patent)Katsuji Tsuji ↔ Hidenori Hirashima (1 patent)Katsuji TsujiKatsuji Tsuji (3 patents)Yoichi SanoYoichi Sano (2 patents)Sakae KatayamaSakae Katayama (20 patents)Yosuke ItoYosuke Ito (7 patents)Sakae Katayama, DeceasedSakae Katayama, Deceased (4 patents)Hidenori HirashimaHidenori Hirashima (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Katayama Chemical, Inc. (3 from 20 patents)

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


3 patents:

1. 5591759 - Aqueous isothiazolone formulation

2. 5411990 - Industrial microbicide and a method for killing microbes for industrial

3. 5306725 - Stabilized isothiazolone liquid formulation

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as of
12/15/2025
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