Analysis of information sources in references of the Wikipedia article "닌텐도 개발 제이부" in Korean language version.
Due to the growing demand for development, he was in charge of the management of the Research & Development 2 Division in which they worked on the development of several hardware devices such as games for colour televisions, Nintendo Family Computer (Famicom), Nintendo Entertainment System (NES), Super Nintendo Entertainment System or BS-X Satellaview.