Growing community of inventors

Tokyo, Japan

Takehiko Usui

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 = 21

Takehiko UsuiHideki Tanaka (1 patent)Takehiko UsuiYu Suzuki (1 patent)Takehiko UsuiKouki Koiwa (1 patent)Takehiko UsuiTakehiko Usui (1 patent)Hideki TanakaHideki Tanaka (114 patents)Yu SuzukiYu Suzuki (13 patents)Kouki KoiwaKouki Koiwa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Sega (1 from 92 patents)


1 patent:

1. 7004839 - Communication game system, communication game method, and storage medium

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12/24/2025
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