Growing community of inventors

Osaka, Japan

Ryoko Tsutsumi

Average Co-Inventor Count = 5.00

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 = 0

Ryoko Tsutsumi ↔ Masayuki Nishino (1 patent)Ryoko Tsutsumi ↔ Takeshi Miuchi (1 patent)Ryoko Tsutsumi ↔ Makoto Sakata (1 patent)Ryoko Tsutsumi ↔ Kensuke Nakata (1 patent)Ryoko Tsutsumi ↔ Kensuke Nakata (0 patent)Ryoko TsutsumiRyoko Tsutsumi (1 patent)Masayuki NishinoMasayuki Nishino (5 patents)Takeshi MiuchiTakeshi Miuchi (5 patents)Makoto SakataMakoto Sakata (5 patents)Kensuke NakataKensuke Nakata (1 patent)Kensuke NakataKensuke Nakata (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. San-ei Gen F.f.i., Inc. (1 from 47 patents)


1 patent:

1. 11647775 - Emulsion composition

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as of
12/18/2025
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