J-ta Yamada (山田 J太, Yamada J-ta, born January 26) is a Japanese manga artist. Yamada is known for creating the manga Asatte no Houkou, which also spawned an anime. Yamada also created the manga Majina! and the manga Gifuto.His has created a mahjong game called Higurashi no Naku Koro ni Jong, which is based on 07th Expansion's Higurashi When They Cry. It began appearing once a month in Takeshobo's Kindai Mahjong magazine starting in January 1, 2010.