Growing community of inventors

Ashiya Hyogo, Japan

Chieko Soh

Average Co-Inventor Count = 2.00

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 = 8

Chieko SohKosaku Yamada (1 patent)Chieko SohChieko Soh (1 patent)Kosaku YamadaKosaku Yamada (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Procter Gamble Company (1 from 17,164 patents)


1 patent:

1. 6936241 - Sunscreen composition

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as of
12/5/2025
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