Nintendo Company Limited's main software development takes place inside its Kyoto, Japan corporate building. Nintendo's software development division is a culmination of staff and philosophy spawning more than three decades. Nintendo is currently the largest and oldest in-house staff in the video game industry.
Created as R&D4 in 1984, the EAD division is the largest of the six in-house development sectors inside of Nintendo Company Limited. General Manager Shigeru Miyamoto and Section Chief Takashi Tezuka run the division responsible for Mario, Link, and Yoshi.
The vigorous development group houses some of the most groundbreaking designers of software development who amongst others include senior directors like Eiji Aonuma, Takao Shimizu, Hideki Konno, Katsuya Eguchi, Tadashi Sugiyama, Masamichi Abe, Shigefumi Hino, Yoichi Yamada, Mitsuhiro Takano, Toru Osawa, and Yoshiaki Koizumi.
Alongside heavyweight sequels to Super Mario, The Legend of Zelda, Pokemon, and Mario Kart, Nintendo EAD is currently involved with original franchises for the Nintendo GameCube.