Growing community of inventors

Ibaraki, Japan

Yumiko Takeda

Average Co-Inventor Count = 5.46

ph-index = 2

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 = 5

Yumiko TakedaTetsuo Nishina (2 patents)Yumiko TakedaYoshinobu Saito (2 patents)Yumiko TakedaUhei Tamura (1 patent)Yumiko TakedaTomoko Toda (1 patent)Yumiko TakedaSaori Kajita (1 patent)Yumiko TakedaYoshihiro Hagihara (1 patent)Yumiko TakedaYuriko Matsumoto (1 patent)Yumiko TakedaYumiko Takeda (2 patents)Tetsuo NishinaTetsuo Nishina (16 patents)Yoshinobu SaitoYoshinobu Saito (14 patents)Uhei TamuraUhei Tamura (7 patents)Tomoko TodaTomoko Toda (7 patents)Saori KajitaSaori Kajita (1 patent)Yoshihiro HagiharaYoshihiro Hagihara (1 patent)Yuriko MatsumotoYuriko Matsumoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. P & Pf Co., Ltd. (1 from 11 patents)

2. Shiseido Honeycake Co., Ltd. (1 from 1 patent)


2 patents:

1. 9301908 - Detergent composition

2. 7841488 - Sheet-like article storage container

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as of
12/16/2025
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