Growing community of inventors

Moka, Japan

Keiji Okada

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 = 3

Keiji Okada ↔ Hideo Fujimoto (1 patent)Keiji Okada ↔ Tomoyuki Sugita (1 patent)Keiji Okada ↔ Yuichi Hayashi (1 patent)Keiji OkadaKeiji Okada (1 patent)Hideo FujimotoHideo Fujimoto (23 patents)Tomoyuki SugitaTomoyuki Sugita (2 patents)Yuichi HayashiYuichi Hayashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Kobe Seiko Sho (1 from 1,100 patents)


1 patent:

1. 5965230 - Blank for magnetic hard disk and method for producing same

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as of
12/15/2025
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