Growing community of inventors

Miyagi-ken, Japan

Yoshifumi Okabe

Average Co-Inventor Count = 1.33

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 = 16

Yoshifumi OkabeAkira Niinuma (1 patent)Yoshifumi OkabeYoshifumi Okabe (2 patents)Akira NiinumaAkira Niinuma (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alps Electric Co., Ltd. (2 from 4,048 patents)


2 patents:

1. 6817874 - Card connector device for ejecting card by slider

2. 6353196 - Water-resistant switching device

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as of
12/20/2025
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