Career
He was significant in promoting the development and marketing of the game of Sudoku. He has invented or introduced various other puzzle games such as Masyu and sells 50,000 copies of his puzzle magazine Nikoli four times a year.
鍜治 真起
president of Nikoli puzzle manufacturer
He was significant in promoting the development and marketing of the game of Sudoku. He has invented or introduced various other puzzle games such as Masyu and sells 50,000 copies of his puzzle magazine Nikoli four times a year.