Growing community of inventors

Kurashiki, Japan

Hidefumi Nakashima

Average Co-Inventor Count = 4.00

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

Hidefumi Nakashima ↔ Toshimichi Maki (1 patent)Hidefumi Nakashima ↔ Hiroyuki Yamashita (1 patent)Hidefumi Nakashima ↔ Yoshimi Kawazu (1 patent)Hidefumi NakashimaHidefumi Nakashima (1 patent)Toshimichi MakiToshimichi Maki (7 patents)Hiroyuki YamashitaHiroyuki Yamashita (1 patent)Yoshimi KawazuYoshimi Kawazu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nkk Corporation (1 from 614 patents)

2. Tokyo Steel M.f.g. Co., Ltd. (1 from 1 patent)


1 patent:

1. 5479433 - Direct current arc furnace

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12/15/2025
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