Growing community of inventors

Osaka, Japan

Ikutaro Nakagawa

Average Co-Inventor Count = 5.00

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 = 2

Ikutaro Nakagawa ↔ Takashi Nakagawa (55 patents)Ikutaro Nakagawa ↔ Takeshi Kondo (1 patent)Ikutaro Nakagawa ↔ Toshihiko Takashima (1 patent)Ikutaro Nakagawa ↔ Takahisa Andoh (1 patent)Ikutaro Nakagawa ↔ Masahide Komeda (1 patent)Ikutaro NakagawaIkutaro Nakagawa (1 patent)Takashi NakagawaTakashi Nakagawa (55 patents)Takeshi KondoTakeshi Kondo (4 patents)Toshihiko TakashimaToshihiko Takashima (3 patents)Takahisa AndohTakahisa Andoh (2 patents)Masahide KomedaMasahide Komeda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tsubakimoto Chain Company (1 from 906 patents)


1 patent:

1. 8136339 - Oil-impregnated bushing, oil-free chain and method for manufacturing oil-impregnated bushing

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as of
12/19/2025
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