Growing community of inventors

Tokyo, Japan

Kei Ookawa

Average Co-Inventor Count = 2.00

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 = 0

Kei OokawaHidenori Ueda (1 patent)Kei OokawaKei Ookawa (1 patent)Hidenori UedaHidenori Ueda (18 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oki Data Corporation (1 from 1,875 patents)


1 patent:

1. 8804214 - Medium transport apparatus, image scanning apparatus and image processing apparatus

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as of
12/29/2025
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