Growing community of inventors

Shinjuku-ku, Japan

Humihiro Arakawa

Average Co-Inventor Count = 3.00

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 = 4

Humihiro Arakawa ↔ Keiji Kashima (1 patent)Humihiro Arakawa ↔ Kumpei Oda (1 patent)Humihiro ArakawaHumihiro Arakawa (1 patent)Keiji KashimaKeiji Kashima (59 patents)Kumpei OdaKumpei Oda (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (1 from 3,192 patents)


1 patent:

1. 6865834 - Display apparatus

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as of
12/10/2025
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