Growing community of inventors

Kanagawa-ken, Japan

Sofumi Sato

Average Co-Inventor Count = 7.00

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 = 6

Sofumi Sato ↔ Hitoshi Saito (1 patent)Sofumi Sato ↔ Shigeru Toyoda (1 patent)Sofumi Sato ↔ Masakatsu Hyodo (1 patent)Sofumi Sato ↔ Masatoshi Ishikawa (1 patent)Sofumi Sato ↔ Kiyoshi Uegaki (1 patent)Sofumi Sato ↔ Katsuyoshi Tsukamoto (1 patent)Sofumi SatoSofumi Sato (1 patent)Hitoshi SaitoHitoshi Saito (21 patents)Shigeru ToyodaShigeru Toyoda (16 patents)Masakatsu HyodoMasakatsu Hyodo (11 patents)Masatoshi IshikawaMasatoshi Ishikawa (4 patents)Kiyoshi UegakiKiyoshi Uegaki (1 patent)Katsuyoshi TsukamotoKatsuyoshi Tsukamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ashimori Kogyo Kabushiki Kaisha (1 from 23 patents)

2. Tokyo Gas Kabushiki Kaisha (1 from 9 patents)


1 patent:

1. 5857494 - Pipeline structure with a lining material, an end structure of said

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12/13/2025
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