Growing community of inventors

Tokyo, Japan

Ryo Nishiguchi

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

Ryo Nishiguchi ↔ Yoshimitsu Takakura (1 patent)Ryo Nishiguchi ↔ Masao Arai (1 patent)Ryo Nishiguchi ↔ Hisashi Udagawa (1 patent)Ryo Nishiguchi ↔ Takanori Takeuchi (1 patent)Ryo Nishiguchi ↔ Hiroshi Magome (1 patent)Ryo NishiguchiRyo Nishiguchi (1 patent)Yoshimitsu TakakuraYoshimitsu Takakura (33 patents)Masao AraiMasao Arai (8 patents)Hisashi UdagawaHisashi Udagawa (3 patents)Takanori TakeuchiTakanori Takeuchi (2 patents)Hiroshi MagomeHiroshi Magome (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Tobacco Inc. (1 from 1,041 patents)


1 patent:

1. 12239090 - Plant body of genuswith low alkaloid content and production method thereof

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as of
1/16/2026
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