Career
He began studying under Utagawa Kunisada I at the age of 10, and continued under Kunisada II after their master"s death. He originally signed his prints "Kunimasa" or "Baidō Kunimasa". About 1889, he began signing his prints "Kunisada", "Baidō Kunisada" or "Kōchōrō Kunisada".
By 1892, he was using "Hōsai", "Kōchōrō Hōsai", "Baidō Hōsai", and "Utagawa Hōsai".