"FAQ." Takeda Pharmaceutical Company. Retrieved on 2011-02-02. "Q : Where is Takeda located? A : The Head Office is located in Osaka, Japan, and the Tokyo Head Office is located in Tokyo, Japan."
"Overview." Takeda Pharmaceutical Company. Retrieved on 2011-02-02. "Headquarters Head Office 1-1, Doshomachi 4-chome, Chuo-ku, Osaka 540-8645" and "Tokyo Head Office 12-10, Nihonbashi 2-chome, Chuo-ku, Tokyo 103-8668"
