Growing community of inventors

Tokyo, Japan

Yoichi Hirakawa

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 = 0

Yoichi HirakawaMasahiro Sakurai (2 patents)Yoichi HirakawaMichiko Sakurai (2 patents)Yoichi HirakawaYoshiyasu Okawara (2 patents)Yoichi HirakawaYoichi Hirakawa (2 patents)Masahiro SakuraiMasahiro Sakurai (19 patents)Michiko SakuraiMichiko Sakurai (3 patents)Yoshiyasu OkawaraYoshiyasu Okawara (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nintendo Co., Ltd. (2 from 2,802 patents)


2 patents:

1. 9492738 - Storage medium, game apparatus, game controlling method and game system

2. 9364742 - Storage medium, game apparatus, game controlling method and game system

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as of
12/15/2025
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