Chances are it's the same person as the artist behind Yu-Gi-Ho!
Games
Other video game related works
Gallery
Atomic Robo-Kid / アトミックロボキッド (Mega Drive - 1990)
Cover art for the Japanese version (Source: signature found on the artwork)
Comptiq #33 - August 1987 (Magazine)
illustration (Source: credited in the magazine + signature found on the artwork)
Atomic Robo-Kid
Comptiq #33 - August 1987