Growing community of inventors

Tokyo, Japan

Hikaru Sumida

Average Co-Inventor Count = 3.00

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 = 20

Hikaru Sumida ↔ Takashi Komori (1 patent)Hikaru Sumida ↔ Naoe Sakurai (1 patent)Hikaru SumidaHikaru Sumida (1 patent)Takashi KomoriTakashi Komori (14 patents)Naoe SakuraiNaoe Sakurai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5716626 - Skin cleanser

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