Growing community of inventors

Tokyo, Japan

Yumi Chihara

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 = 21

Yumi Chihara ↔ Takamichi Murayama (1 patent)Yumi Chihara ↔ Sojiro Tanaka (1 patent)Yumi Chihara ↔ Noboru Hara (1 patent)Yumi Chihara ↔ Takaaki Utsunomiya (1 patent)Yumi ChiharaYumi Chihara (1 patent)Takamichi MurayamaTakamichi Murayama (17 patents)Sojiro TanakaSojiro Tanaka (13 patents)Noboru HaraNoboru Hara (8 patents)Takaaki UtsunomiyaTakaaki Utsunomiya (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bandai Co., Ltd. (1 from 126 patents)


1 patent:

1. D679344 - Toy doll

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as of
12/8/2025
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