Growing community of inventors

Miyagi-ken, Japan

Eiji Okada

Average Co-Inventor Count = 8.00

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 = 1

Eiji Okada ↔ Mikio Onodera (1 patent)Eiji Okada ↔ Hirotoshi Terao (1 patent)Eiji Okada ↔ Heishiro Fudo (1 patent)Eiji Okada ↔ Eihin Setsu (1 patent)Eiji Okada ↔ Tomoko Wauke (1 patent)Eiji Okada ↔ Susumu Nakajima (1 patent)Eiji Okada ↔ Kazuma Kobashi (1 patent)Eiji OkadaEiji Okada (1 patent)Mikio OnoderaMikio Onodera (27 patents)Hirotoshi TeraoHirotoshi Terao (16 patents)Heishiro FudoHeishiro Fudo (11 patents)Eihin SetsuEihin Setsu (7 patents)Tomoko WaukeTomoko Wauke (6 patents)Susumu NakajimaSusumu Nakajima (2 patents)Kazuma KobashiKazuma Kobashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alps Electric Co., Ltd. (1 from 4,048 patents)


1 patent:

1. 9217970 - Heater for fixing device

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as of
1/7/2026
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