| 1899 |
Founded as Sankyo Shoten through a joint investment by businessmen Matasaku Shiobara, Shotaro Nishimura and Genjiro Fukui. |
| 1899 |
Launched digestive enzyme Taka-Diastase® (in 1894, Dr. Jokichi Takamine discovered the enzyme from a fungus). |
| 1902 |
Launched Adrenalin®, an adrenal cortex hormone agent. |
| 1908 |
Established plant in Shinagawa, Japan. |
| 1910 |
Dr. Umetaro Suzuki, a future Sankyo scientific adviser, made the world's first discovery of vitamin B1 (Orizanin®) in rice bran and established a foundation for the theory of vitamins. |
| 1913 |
Changed company name from Sankyo Shoten to Sankyo Co., Ltd. and appointed Dr. Jokichi Takamine as first president. |
| 1915 |
Founded as Arsemin Shokai by Dr. Shozaemon Keimatsu and five others |
| 1915 |
Launched Arsemin®, an antisyphilitic agent |
| 1916 |
Launched Neo-Arsemin®, another antisyphilitic agent |
| 1918 |
Changed company name from Arsemin Shokai to Daiichi Pharmaceutical Co., Ltd. Appointed Seinosuke Shibata as first president |
| 1921 |
Began manufacturing Japan's first synthetic agricultural chemical, the fumigant insecticide KOKUZOL®. |
| 1921 |
Launched Bosmin®, a vasoconstriction / hemostasis and asthma medicine |
| 1933 |
Established plant in Takatsuki, Japan |
| 1935 |
Listed on Tokyo Stock Exchange. |
| 1937 |
Launched Therapol®, the first sulfa drug produced in Japan |
| 1938 |
Established plant in Funabori, Japan |
| 1945 |
Listed on Tokyo Stock Exchange |
| 1949 |
Launched LULU® cold medicine. |
| 1951 |
Manufactured Chloromycetin®, the first antibiotic produced in Japan. |
| 1952 |
Launched Iscotin®, a medicine for tuberculosis |
| 1957 |
Launched Sankyo Ichoyaku (now Daiichi Sankyo Ichoyaku). |
| 1965 |
Launched Vitamedin®, a vitamin B1, B6 and B12 compound. |
| 1965 |
Completed construction of head office building in Nihonbashi, Japan |
| 1965 |
Launched Transamin®, an antiplasmin medicine |
| 1966 |
Established plant in Hiratsuka, Japan. |
| 1966 |
Launched Patecs®, the first form-fitting pain relief patch |
| 1970 |
Beginning of the period 1970–2004, marking ongoing development. |
| 1973 |
Launched Karoyan®, a hair restoration agent |
| 1977 |
Launched Krestin®, an anticancer drug. |
| 1979 |
Launched Neuer®, a peptic ulcer agent |
| 1980 |
Launched Cefmetazon®, a cephamycin-type antibiotic. |
| 1981 |
Established plant in Akita, Japan |
| 1983 |
Launched Captoril®, the world's first renin-angiotensin-type hypertensive drug. |
| 1983 |
Signed out-licensing agreement for Tarivid®, a broad-spectrum antibacterial agent, with Johnson & Johnson of the United States and Hoechst of Germany |
| 1984 |
Launched Zantac®, a therapeutic agent for peptic ulcers. |
| 1985 |
Established Sankyo USA Corporation in New York City and Sankyo Europe GmbH in Dusseldorf, Germany. |
| 1985 |
Launched natural-type interferon-β formulation Feron® |
| 1985 |
Launched Tarivid® in Japan and then-West Germany |
| 1986 |
Launched Loxonin®, an analgesic and anti-inflammatory agent. |
| 1987 |
Established plant in Onahama, Japan. |
| 1987 |
Launched Omnipark®, a contrast media |
| 1987 |
Launched Senlock Pellet® (now Daiichi Sankyo Core Block®), a gastrointestinal agent |
| 1988 |
Launched Regain®, a mini-bottled vitamin tonic. |
| 1989 |
Globally launched Mevalotin®, a groundbreaking HMG-CoA reductase inhibitor (hyperlipidemic drug). Launched Banan®, an antibiotic agent. |
| 1990 |
Invested in Luitpold-Werk GmbH Group. |
| 1990 |
Established Korea Daiichi Pharmaceutical Co., Ltd. |
| 1992 |
Awarded the Ohkochi Memorial Grand Production Prize for Mevalotin®. |
| 1993 |
Launched Cravit®, a broad-spectrum oral antibacterial agent |
| 1994 |
Completed construction of head office building in Nihonbashi, Japan. |
| 1994 |
Launched Acecol®, an antihypertensive agent. |
| 1994 |
Launched Kuromaru Drink®, a digestive tonic |
| 1996 |
Established Sankyo Pharma Inc. in New Jersey, United States. |
| 1998 |
Became the first pharmaceutical company in Japan to receive ISO 14001 environmental certification for its Onahama and Odawara plants. Established Sankyo Pharma Research Institute in California, United States. |
| 1998 |
Established Daiichi Pharmaceutical (Beijing) Co., Ltd. in China |
| 2002 |
Launched Fastic®, a drug for lowering blood sugar, and Olmesartan (Benicar® in the US and Olmetec® in Germany), an antihypertensive agent. |
| 2003 |
Launched Calblock®, a long-acting calcium channel blocker. |
| 2003 |
Launched Cystina C®, an over-the-counter vitamin C product |
| 2004 |
Launched Olmesartan in Japan. |
