Growing community of inventors

Kanagawa, Japan

Hajime Ishikawa

Average Co-Inventor Count = 6.87

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 = 60

Hajime IshikawaMasao Nakano (1 patent)Hajime IshikawaMasahira Hattori (1 patent)Hajime IshikawaYoshio Sasaki (1 patent)Hajime IshikawaYoshiyuki Sakaki (1 patent)Hajime IshikawaEiji Takeuchi (1 patent)Hajime IshikawaAkiko Watanabe (1 patent)Hajime IshikawaTomoki Myoi (1 patent)Hajime IshikawaYosuke Miho (1 patent)Hajime IshikawaTakeo Kobayashi (1 patent)Hajime IshikawaHiroshi Kasakawa (1 patent)Hajime IshikawaShinsuke Sato (1 patent)Hajime IshikawaHidemi Watanabe (1 patent)Hajime IshikawaShuji Shigenobu (1 patent)Hajime IshikawaMasao Nakazawa (1 patent)Hajime IshikawaHajime Ishikawa (2 patents)Masao NakanoMasao Nakano (66 patents)Masahira HattoriMasahira Hattori (22 patents)Yoshio SasakiYoshio Sasaki (11 patents)Yoshiyuki SakakiYoshiyuki Sakaki (5 patents)Eiji TakeuchiEiji Takeuchi (5 patents)Akiko WatanabeAkiko Watanabe (3 patents)Tomoki MyoiTomoki Myoi (2 patents)Yosuke MihoYosuke Miho (1 patent)Takeo KobayashiTakeo Kobayashi (1 patent)Hiroshi KasakawaHiroshi Kasakawa (1 patent)Shinsuke SatoShinsuke Sato (1 patent)Hidemi WatanabeHidemi Watanabe (1 patent)Shuji ShigenobuShuji Shigenobu (1 patent)Masao NakazawaMasao Nakazawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyocera Corporation (1 from 6,652 patents)

2. Riken Corporation (1 from 852 patents)


2 patents:

1. 8375334 - Portable information terminal, display control device, display control method, and computer readable program therefor

2. 6632935 - Genome DNA of bacterial symbiont of aphids

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12/15/2025
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