TAISHO PHARMACEUTICAL CO., LTD; Kuwada, Takeshi; Yoshinaga, Mitsukane; Ishizaka, Tomoko; Wakasugi, Daisuke; Shirokawa, Shin-ichi; Hattori, Nobutaka; Shimazaki, Youichi; Miyakoshi, Naoki Patent: US2013/197217 A1, 2013 ;