Ryo Ikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Game device, picture data forming method and medium
- Patent number 6,917,371
- Issue date Jul 12, 2005
- Kabushiki Kaisha Sega Enterprises
- Toshihiro Nagoshi
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game device, picture data forming method and medium
- Patent number 6,767,286
- Issue date Jul 27, 2004
- Kabushiki Kaisha Sega Enterprises
- Toshihiro Nagoshi
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game device, picture data and flare forming method
- Patent number 6,234,901
- Issue date May 22, 2001
- Kabushiki Kaisha Sega Enterprises
- Toshihiro Nagoshi
- G06 - COMPUTING CALCULATING COUNTING