Growing community of inventors

Yokohama, Japan

Keitaro Sumiya

Average Co-Inventor Count = 6.00

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

Keitaro SumiyaYoshiaki Kohno (1 patent)Keitaro SumiyaMasaru Ogawa (1 patent)Keitaro SumiyaYuujiro Takahashi (1 patent)Keitaro SumiyaMasaya Takaki (1 patent)Keitaro SumiyaShinji Terada (1 patent)Keitaro SumiyaKeitaro Sumiya (1 patent)Yoshiaki KohnoYoshiaki Kohno (3 patents)Masaru OgawaMasaru Ogawa (3 patents)Yuujiro TakahashiYuujiro Takahashi (1 patent)Masaya TakakiMasaya Takaki (1 patent)Shinji TeradaShinji Terada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (1 from 52,730 patents)


1 patent:

1. 10437221 - Production support system and production support method

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as of
12/19/2025
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