Growing community of inventors

Tokyo, Japan

Keiichi Nakagome

Average Co-Inventor Count = 5.09

ph-index = 2

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 = 62

Keiichi NakagomeMakoto Tsujita (2 patents)Keiichi NakagomeHirohisa Suwabe (1 patent)Keiichi NakagomeShinya Tokumaru (1 patent)Keiichi NakagomeYasuhiko Otsubo (1 patent)Keiichi NakagomeHiroshi Funabashi (1 patent)Keiichi NakagomeYoji Yamashita (1 patent)Keiichi NakagomeKatsuji Inoue (1 patent)Keiichi NakagomeHisaki Torisaka (1 patent)Keiichi NakagomeKeiichi Nakagome (2 patents)Makoto TsujitaMakoto Tsujita (4 patents)Hirohisa SuwabeHirohisa Suwabe (24 patents)Shinya TokumaruShinya Tokumaru (6 patents)Yasuhiko OtsuboYasuhiko Otsubo (6 patents)Hiroshi FunabashiHiroshi Funabashi (5 patents)Yoji YamashitaYoji Yamashita (5 patents)Katsuji InoueKatsuji Inoue (1 patent)Hisaki TorisakaHisaki Torisaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,680 patents)


2 patents:

1. 6827754 - Ceramic honeycomb filter

2. 6684938 - EGR cooler

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as of
12/8/2025
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