Growing community of inventors

Tokyo, Japan

Koichi Ashahi

Average Co-Inventor Count = 6.00

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 = 19

Koichi Ashahi ↔ Masanori Akada (1 patent)Koichi Ashahi ↔ Noritaka N Egashira (1 patent)Koichi Ashahi ↔ Kazunobu Imoto (1 patent)Koichi Ashahi ↔ Yoshinori Nakamura (1 patent)Koichi Ashahi ↔ Nobuhisa Nishitani (1 patent)Koichi AshahiKoichi Ashahi (1 patent)Masanori AkadaMasanori Akada (55 patents)Noritaka N EgashiraNoritaka N Egashira (49 patents)Kazunobu ImotoKazunobu Imoto (36 patents)Yoshinori NakamuraYoshinori Nakamura (28 patents)Nobuhisa NishitaniNobuhisa Nishitani (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Insatsu Kabushiki Kaisha (1 from 412 patents)


1 patent:

1. 5407895 - Image receiving sheet

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as of
1/13/2026
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