Growing community of inventors

Tokyo, Japan

Kojiro Miyamoto

Average Co-Inventor Count = 2.18

ph-index = 2

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 = 34

Kojiro MiyamotoHideki Watanabe (2 patents)Kojiro MiyamotoYutaka Yokoyama (1 patent)Kojiro MiyamotoShigetoshi Mizuno (1 patent)Kojiro MiyamotoMasaki Namikoshi (1 patent)Kojiro MiyamotoKojiro Miyamoto (4 patents)Hideki WatanabeHideki Watanabe (83 patents)Yutaka YokoyamaYutaka Yokoyama (65 patents)Shigetoshi MizunoShigetoshi Mizuno (2 patents)Masaki NamikoshiMasaki Namikoshi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Enterprises, Ltd. (2 from 264 patents)

2. Kabushiki Kaisha Sega (2 from 92 patents)


4 patents:

1. 7770894 - Prize acquisition game device

2. 7648142 - Prize acquisition game device

3. 6176780 - Two-player video game with method of displaying logos and instructions in a manner readable by both players

4. 5951009 - Game apparatus

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as of
12/30/2025
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