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. | Bussan Animal Health Co., Ltd. created |
| 2014 Mar. | Head office has moved to Chuo-ku ,Osaka |