Growing community of inventors

Toyama, Japan

Fumio Arai

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 = 10

Fumio Arai ↔ Takashi Saito (1 patent)Fumio Arai ↔ Shigekazu Kasahara (1 patent)Fumio AraiFumio Arai (1 patent)Takashi SaitoTakashi Saito (5 patents)Shigekazu KasaharaShigekazu Kasahara (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Soda Manufacturing Co., Ltd. (1 from 285 patents)


1 patent:

1. 4734137 - Process for preparation of organic pigments

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as of
12/21/2025
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