Sometimes Yosano Akiko. See also 与謝野 晶子. Akiko Yosano was the pen-name of a Japanese author, poet, pioneering feminist, pacifist, and social reformer, active in the late Meiji period as well as the Taishō and early Showa periods of Japan. Her real name was Yosano Shiyo. She is one of the most famous, and most controversial, post-classical woman poets of Japan.