Growing community of inventors

Tokyo, Japan

Fumikazu Yajima

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

Fumikazu Yajima ↔ Tsugio Kaneko (1 patent)Fumikazu Yajima ↔ Toshihiko Yoshitomi (1 patent)Fumikazu Yajima ↔ Yukinori Minagawa (1 patent)Fumikazu Yajima ↔ Kunihiko Yamaguchi (1 patent)Fumikazu YajimaFumikazu Yajima (1 patent)Tsugio KanekoTsugio Kaneko (6 patents)Toshihiko YoshitomiToshihiko Yoshitomi (6 patents)Yukinori MinagawaYukinori Minagawa (5 patents)Kunihiko YamaguchiKunihiko Yamaguchi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Industries Limited (1 from 614 patents)


1 patent:

1. 4104358 - Selective extraction of yttrium ions

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as of
12/19/2025
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