Growing community of inventors

Tokyo, Japan

Yoshifumi Ishihata

Average Co-Inventor Count = 2.00

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 = 13

Yoshifumi IshihataNobuyuki Yamashita (2 patents)Yoshifumi IshihataNobukazu Naruke (2 patents)Yoshifumi IshihataYoshifumi Ishihata (4 patents)Nobuyuki YamashitaNobuyuki Yamashita (46 patents)Nobukazu NarukeNobukazu Naruke (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Corporation (4 from 134 patents)

2. Kabushiki Kaisha Sega Doing Business as Sega Corporation (0 patent)


4 patents:

1. 8251812 - Control program for action game

2. 8105142 - Game device, communication game system, and recorded medium

3. 7931534 - Control program for action game

4. 7336276 - Game device, recording medium, and image processing method for displaying a projected image object

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