Growing community of inventors

Tokyo, Japan

Rie Takamatsu

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 = 3

Rie Takamatsu ↔ Takayuki Itakura (1 patent)Rie Takamatsu ↔ Mariko Obuki (1 patent)Rie Takamatsu ↔ Rimiko Takikawa (1 patent)Rie TakamatsuRie Takamatsu (1 patent)Takayuki ItakuraTakayuki Itakura (52 patents)Mariko ObukiMariko Obuki (2 patents)Rimiko TakikawaRimiko Takikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Sangi (1 from 36 patents)


1 patent:

1. 10039698 - Toothpaste composition

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as of
1/9/2026
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