User blog comment:Jrotc193/Oda after One Piece/@comment-1949750-20110320005012/@comment-1949750-20110320030857

Also, it's been mention in this wiki.

http://onepiece.wikia.com/wiki/Oda

Oda stated in an interview that he wanted to create a robot manga after he finished One Piece. Later, however, he stated that after he finishes One Piece, he would take the same path Toriyama did and create short-story manga.