Mitsubishi Tanabe Pharma

Mitsubishi Tanabe Pharma Corporation is a Japanese pharmaceuticals company, a subsidiary of Mitsubishi Chemical Holdings Corporation. Mitsubishi Pharma Corporation (三菱ウェルファーマ株式会社, Mitsubishi Werufāma Kabushiki-gaisha^?) was formed in 2001 from the merger of Mitsubishi-Tokyo Pharmaceuticals and Welfide Corporation. On October 1, 2007 Tanabe Seiyaku Co., Ltd. merged with Mitsubishi Pharma to form Mitsubishi Tanabe Pharma.

Mitsubishi Tanaba Pharma is a member of the Mitsubishi UFJ Financial Group (MUFJ) keiretsu.

Takeda Kasei Co., Ltd. was established in 1940 by Chobei Takeda & Co., Ltd. (present-day Takeda Pharmaceutical Company) and Nippon Kasei Chemical Co. Ltd. (present-day Mitsubishi Chemical Corporation) and built its first plant in Higashi-Yoshitomi-mura, Fukuoka Prefecture. The company changed its name in 1952 to Yoshitomi Pharmaceutical Co., Ltd. in 1946 and listed on Tokyo and Osaka stock exchanges in 1949.

The Blood Plasma Corporation of Japan was established in 1950 with head office and plant in Osaka. This company changed its name to Green Cross Corporation in 1964.

Green Cross Corporation was acquired by Yoshitomi Pharmaceutical in 1998, changing its name to Welfide Corporation in 2000. The founders of Green Cross Corporation included war criminals such as Kitano Masaji who performed torture and experimentations on humans in the Japanese military's notorious Unit 731 during World War II. These crimes were recognized by the UN as extreme "crimes against humanity".

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