From 1876 to 1913, Kōzan won prizes at 51 exhibitions, including the World's Fair and the National Industrial Exhibition. His name was originally Miyagawa Toranosuke.
From 1876 to 1913, Kōzan achieved recognition by winning awards at 51 events, such as the World's Fair and the National Industrial Exhibition.  His birth name was originally Miyagawa Toranosuke.