Input: Relationship: 'be trademark of', Argument/Subject 1: 'nintendo', Argument/Subject 2: 'nintendo of america'

Answer: Nintendo , Game Boy and Official Seals are trademarks of Nintendo of America Inc. * Page 1 ADVISORY READ BEFORE USING YOUR GAME BOY SYSTEM A very small portion of the population may experience epileptic seizures when viewing certain kinds of flashing lights or patterns that are commonly present in our daily environment .