Growing community of inventors

Kobe, Japan

Yayoi Hamada

Average Co-Inventor Count = 4.00

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 = 25

Yayoi Hamada ↔ Akiko Ashiwa (1 patent)Yayoi Hamada ↔ Teruhisa Hirano (1 patent)Yayoi Hamada ↔ Kazuhiro Yamada (1 patent)Yayoi HamadaYayoi Hamada (1 patent)Akiko AshiwaAkiko Ashiwa (25 patents)Teruhisa HiranoTeruhisa Hirano (7 patents)Kazuhiro YamadaKazuhiro Yamada (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Procter Gamble Company (1 from 17,173 patents)


1 patent:

1. D580598 - Cosmetic container

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1/14/2026
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