Tomoyoshi Tanaka is a former employee of Nintendo Company Limited from the years of 1989 to 1996. Tanaka joined Nintendo and was assigned to Research & Development 1 Division as a mechanical engineer in the hardware development section. Tanaka joined the Game Boy hardware team and was able to help in the final production phase right before release. After that Tanaka would continue to work on harware like the Super Scope, Game Boy Pocket and the Virtual Boy. After the exodus of former boss Gunpei Yokoi and the failure of the Virtual Boy, several hardware members from the Research & Development 1 Division including Tanaka resigned from Nintendo to join Koto Laboratory.