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Era

era-2000s

US 7595516

US Patent 7595516: Optoelectronic circuit employing a heterojunction…

University of Connecticut · 2009

US 7614954

US Patent 7614954: Game image display control program, game device…

Sega Corp · 2009

US 7618320

US Patent 7618320: Network game system, and game terminal device and…

Sega Corp · 2009

US 7620686

US Patent 7620686: Control method for network system

Sega Corp · 2009