Growing community of inventors

Kawasaki, Japan

Noriko Shirakawa

Average Co-Inventor Count = 3.00

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 = 30

Noriko Shirakawa ↔ Hisao Tsutsumi (2 patents)Noriko Shirakawa ↔ Junichi Fukasawa (2 patents)Noriko Shirakawa ↔ Masahiko Asahi (1 patent)Noriko Shirakawa ↔ Yuko Kikuta (1 patent)Noriko ShirakawaNoriko Shirakawa (3 patents)Hisao TsutsumiHisao Tsutsumi (18 patents)Junichi FukasawaJunichi Fukasawa (12 patents)Masahiko AsahiMasahiko Asahi (9 patents)Yuko KikutaYuko Kikuta (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


3 patents:

1. 5124361 - Polyaluminum dialkyl phosphate oil gelling agent and composition for

2. 5036108 - Water-in-oil emulsion cosmetic

3. 4987241 - Polyaluminum dialkyl phosphate, oil gelling agent comprising the same,

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1/9/2026
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