Corporate History

1950 Veterinary medicininal products business launched as part of Dainippon Pharmaceutical Co., Ltd. (sales of anticoccidial drug for poulty)
1956 Feb. Special Drug Department established
1960 Feb. Special Drug Division established
1972 May. Marupi Merck Sharp & Dohme Co., Ltd. established
Distribution of Marek’s disease vaccine launches
1974 Jan. Veterinary Medicine Division established
1981 Jun. Full-scale entry into fisheries market with sales of antibacterial drugs
1982 Aug. Marupi Merck Sharp & Dohme Co., Ltd. dissolved
1984 Jun. Ritto Laboratory established as experimental farm for veterinary medicinal products
1987 Apr. launch of first monthly canine heartworm prevention drug in Japan
1988 Jul. Distribution of Hill’s Prescription Diet pet food products launched (full-scale entry into companion animal market)
1990 Jun. Veterinary Medicine Division renamed Animal Science Division
1993 Mar. Marupi Lifetech Co., Ltd. established
1995 Jun. Animal Science Division, Research and Development Division, and Ritto Laboratory integrated to form Veterinary Medicine Research Laboratory
2001 Apr. Distribution of Senju Pharmaceutical Co., Ltd. veterinary medicinale products begins
2002 Nov. Animal health business acquired from Tanabe Pharmaceutical Co., Ltd.
2005 Aug. Core Animal Science Division organization moves from the Dainippon Pharmaceutical head office (Doshomachi) to Osaka Center (Ebie)
2005 Oct. Sumitomo Dainippon Pharma Co., Ltd created
2010 Jul. DS Pharma Animal Health Co., Ltd. created
2014 Mar. Head office has moved to Chuo-ku ,Osaka

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