| Year | Detail |
| 1678 |
Mitsubishi Tanabe Pharma began in 1678, when Tanabeya Gohei, the first, opened a store in Tosabori, Osaka, producing and selling Tanabeya-infused Medicine. |
| 1882 |
Tanabe Gohei Shoten obtained sole distribution rights for salicylic acid manufactured by German drug company Chemische Fabrik von Heyden and began selling the product under the name "Hinode Tsurukame Jirushi sarichiru-san." |
| 1916 |
Tanabe Gohei Shoten established a factory in Honjo Kawasaki-cho, Kita-ku, Osaka, to manufacture new pharmaceuticals and establish a full-fledged domestic production system. |
| 2007 |
Tanabe Seiyaku and Mitsubishi Pharma merged to establish Mitsubishi Tanabe Pharma Corporation. |
| 2011 |
Mitsubishi Tanabe Pharma Corp. launched SIMPONI Subcutaneous Injection 50mg Syringe, an agent for rheumatoid arthritis. |
| 2020 |
Mitsubishi Tanabe Pharma Corp. launched VAFSEO Tablets (150mg) and VAFSEO Tablets (300mg), which are treatments for renal anemia. |
| 2021 |
Mitsubishi Tanabe Pharma Corp. launches UPLIZNA for Intravenous Infusion 100mg, a treatment for neuromyelitis optica spectrum disorders. |
| 2022 |
Mitsubishi Tanabe Pharma Corp. launched DYSVAL Capsules 40mg, a treatment for tardive dyskinesia. |
| 2024 |
Mitsubishi Tanabe Pharma Corp. launched GOBIK Aqueous Suspension Syringes, a combination vaccine for five diseases. |