Growing community of inventors

Tokyo, Japan

Masatoshi Doi

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 = 51

Masatoshi Doi ↔ Takehiko Takahashi (1 patent)Masatoshi Doi ↔ Tomihiro Kaneko (1 patent)Masatoshi Doi ↔ Hitoshi Katou (1 patent)Masatoshi DoiMasatoshi Doi (1 patent)Takehiko TakahashiTakehiko Takahashi (50 patents)Tomihiro KanekoTomihiro Kaneko (17 patents)Hitoshi KatouHitoshi Katou (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Co., Ltd. (1 from 169 patents)


1 patent:

1. D308656 - Baby stroller

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as of
12/9/2025
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