Growing community of inventors

Ishikawa, Japan

Koichi Kitagawa

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 = 0

Koichi KitagawaKiyoto Kosaka (2 patents)Koichi KitagawaSatoshi Kubo (2 patents)Koichi KitagawaYasunori Taniguchi (2 patents)Koichi KitagawaSatoshi Sakai (1 patent)Koichi KitagawaTakayuki Kawanaka (1 patent)Koichi KitagawaHidenori Yamamoto (1 patent)Koichi KitagawaKoichi Kitagawa (2 patents)Kiyoto KosakaKiyoto Kosaka (31 patents)Satoshi KuboSatoshi Kubo (12 patents)Yasunori TaniguchiYasunori Taniguchi (4 patents)Satoshi SakaiSatoshi Sakai (12 patents)Takayuki KawanakaTakayuki Kawanaka (2 patents)Hidenori YamamotoHidenori Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pfu Limited (2 from 678 patents)


2 patents:

1. 8812521 - Image file sorting method, image file sorting device, and computer program product

2. 8406574 - Image processor, image processing method, and computer program product

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1/5/2026
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