Graphic Research

Graphic Research Co., Ltd. (グラフィックリサーチ株式会社; also went by GRC for short) was established in May 1982, incorporated on June 8, 1984. They worked on numerous systems, most notably the Famicom, Super Famicom, Game Boy, Game Boy Color, Game Boy Advance, WonderSwan, Genesis, and PlayStation.

Source : IGDB