Growing community of inventors

Nishinomiya, Japan

Sakae Katayama, Deceased

Average Co-Inventor Count = 3.20

ph-index = 4

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 = 56

Sakae Katayama, Deceased ↔ Sadaoki Kanada (1 patent)Sakae Katayama, Deceased ↔ Kenzi Hanno (1 patent)Sakae Katayama, Deceased ↔ Atsushi Tsuda (1 patent)Sakae Katayama, Deceased ↔ Katsuji Tsuji (1 patent)Sakae Katayama, Deceased ↔ Kazuo Marugame (1 patent)Sakae Katayama, Deceased ↔ Yoichi Sano (1 patent)Sakae Katayama, Deceased ↔ Masatsune Okuma (1 patent)Sakae Katayama, Deceased ↔ Hiroshi Asai (1 patent)Sakae Katayama, Deceased ↔ Keisho Nakanishi (1 patent)Sakae Katayama, DeceasedSakae Katayama, Deceased (4 patents)Sadaoki KanadaSadaoki Kanada (4 patents)Kenzi HannoKenzi Hanno (4 patents)Atsushi TsudaAtsushi Tsuda (4 patents)Katsuji TsujiKatsuji Tsuji (3 patents)Kazuo MarugameKazuo Marugame (2 patents)Yoichi SanoYoichi Sano (2 patents)Masatsune OkumaMasatsune Okuma (2 patents)Hiroshi AsaiHiroshi Asai (1 patent)Keisho NakanishiKeisho Nakanishi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


4 patents:

1. 5366661 - Method for forming a stabilized aqueous dispersion of inorganic

2. 5306725 - Stabilized isothiazolone liquid formulation

3. 5259985 - Calcium carbonate scale inhibitor having organophosphonate, water

4. 5169563 - Water treatment agent and water treatment method for a boiler

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as of
12/14/2025
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