He graduated from Tokyo Metropolitan College of Aeronautical Engineering.
Dragon Quest: The Adventure of Dai (1989–1996), which he created with writer Riku Sanjo, is one of the best-selling manga in history with over 47 million copies sold.
[1] The two also created Beet the Vandel Buster (2002–2006, 2016–present), which has 4 million copies in print.
[2] Inada had been ill since September 2006, which led to the hiatus of Beet the Vandel Buster at volume 12.
[3] He made a recovery in 2018 and resumed work on the series.