Growing community of inventors

Kai, Japan

Katsuyoshi Sumitomo

Average Co-Inventor Count = 2.00

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

Katsuyoshi SumitomoTatsuya Kamiyama (1 patent)Katsuyoshi SumitomoKatsuyoshi Sumitomo (1 patent)Tatsuya KamiyamaTatsuya Kamiyama (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

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

2. Hal Laboratory, Inc. (1 from 42 patents)


1 patent:

1. 11890543 - Storage medium, information processing apparatus, information processing system, and game processing method

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12/14/2025
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