Growing community of inventors

Nichinan, Japan

Takao Ayukawa

Average Co-Inventor Count = 5.00

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 = 3

Takao Ayukawa ↔ Masahiro Kamiya (1 patent)Takao Ayukawa ↔ Tsunehisa Shigetani (1 patent)Takao Ayukawa ↔ Masahiro Yamana (1 patent)Takao Ayukawa ↔ Tetsu Uesaka (1 patent)Takao AyukawaTakao Ayukawa (1 patent)Masahiro KamiyaMasahiro Kamiya (35 patents)Tsunehisa ShigetaniTsunehisa Shigetani (6 patents)Masahiro YamanaMasahiro Yamana (4 patents)Tetsu UesakaTetsu Uesaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oji Paper Co., Ltd. (1 from 229 patents)


1 patent:

1. 4968554 - Support sheet for photographic paper

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as of
12/21/2025
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