Growing community of inventors

Gifu, Japan

Ryo Sumi

Average Co-Inventor Count = 8.00

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

Ryo Sumi ↔ Nobuo Mori (1 patent)Ryo Sumi ↔ Kanya Tokunaga (1 patent)Ryo Sumi ↔ Hisako Sanada (1 patent)Ryo Sumi ↔ Fumiko Iwaki (1 patent)Ryo Sumi ↔ Masaru Onodera (1 patent)Ryo Sumi ↔ Taketo Nakano (1 patent)Ryo Sumi ↔ Mineto Tomisaka (1 patent)Ryo SumiRyo Sumi (1 patent)Nobuo MoriNobuo Mori (3 patents)Kanya TokunagaKanya Tokunaga (1 patent)Hisako SanadaHisako Sanada (1 patent)Fumiko IwakiFumiko Iwaki (1 patent)Masaru OnoderaMasaru Onodera (1 patent)Taketo NakanoTaketo Nakano (1 patent)Mineto TomisakaMineto Tomisaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikken Sohonsha Corporation (1 from 10 patents)

2. Nippon Koei Co., Ltd. (1 from 7 patents)


1 patent:

1. 11963485 - Natural invasion promoting method and spraying material

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1/9/2026
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