Growing community of inventors

Sendai, Japan

Nobuo Yokoyama

Average Co-Inventor Count = 3.00

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 = 5

Nobuo YokoyamaTakashi Matsuda (1 patent)Nobuo YokoyamaEiji Takuma (1 patent)Nobuo YokoyamaNobuo Yokoyama (1 patent)Takashi MatsudaTakashi Matsuda (186 patents)Eiji TakumaEiji Takuma (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 6484942 - Information storage medium, information reproducing apparatus, game machine and its information reproducing method

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as of
12/18/2025
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