Growing community of inventors

Tokyo, Japan

Keiko Ishikawa

Average Co-Inventor Count = 5.46

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 = 105

Keiko IshikawaYoshiyuki Kakuta (1 patent)Keiko IshikawaToru Toma (1 patent)Keiko IshikawaTomomi Hamada (1 patent)Keiko IshikawaKohei Masuda (1 patent)Keiko IshikawaYoshie Aoki (1 patent)Keiko IshikawaKeiji Jinbo (1 patent)Keiko IshikawaYoshiki Ishikawa (1 patent)Keiko IshikawaTomohiro Komine (1 patent)Keiko IshikawaYasuhiko Fukuyama (1 patent)Keiko IshikawaKeiko Ishikawa (2 patents)Yoshiyuki KakutaYoshiyuki Kakuta (34 patents)Toru TomaToru Toma (13 patents)Tomomi HamadaTomomi Hamada (4 patents)Kohei MasudaKohei Masuda (3 patents)Yoshie AokiYoshie Aoki (1 patent)Keiji JinboKeiji Jinbo (1 patent)Yoshiki IshikawaYoshiki Ishikawa (1 patent)Tomohiro KomineTomohiro Komine (1 patent)Yasuhiko FukuyamaYasuhiko Fukuyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,680 patents)

2. Mitsubishi Heavy Industries Limited (1 from 4,618 patents)


2 patents:

1. 11380318 - Evaluation system, evaluation method, and program

2. 6834778 - Mixing and discharge device

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12/6/2025
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