| 12/11/2019 | Consolidated Financial Results for the Second Quarter of the Fiscal Year Ending March 31, 2020 (IFRS) | 
                                
                                
                                    | 11/12/2019 | FY2020/3 H1, Supplementary Material(Apr.1 to Sep.30 2019) | 
                                
                                
                                    | 11/12/2019 | FY2020/3 H1, Presentation (Apr.1 to Sep.30 2019) | 
                                
                                
                                    | 09/30/2019 | EISAI AND NICHI-IKO ENTER INTO COLLABORATION AGREEMENT  FOR GENERIC PHARMACEUTICAL BUSINESS IN CHINA | 
                                
                                
                                    | 09/11/2019 | Consolidated Financial Results  for the First Quarter of the Fiscal Year Ending March 31, 2020 (IFRS) | 
                                
                                
                                    | 09/05/2019 | Sagent Pharmaceuticals Announces FDA Acceptance of Omega Manufacturing Site | 
                                
                                
                                    | 08/09/2019 | Year Ending March 31, 2020 Results of 1stQuarterSettlement of Accounts Supplementary Material(Apr.1to Jun.30 2019) | 
                                
                                
                                    | 06/12/2019 | Consolidated Financial Results for the Fiscal Year Ended March 31, 2019 (IFRS) | 
                                
                                
                                    | 06/03/2019 | Notice of the 55th Ordinary General Meeting of Shareholders | 
                                
                                
                                    | 05/13/2019 | The 8th Mid-term Business Plan | 
                                
                                
                                    | 05/13/2019 | Year Ended March 31, 2019 Results  Settlement of Accounts Supplementary Material (Apr.1 2018 to Mar.31 2019) | 
                                
                                
                                    | 05/13/2019 | Cefazolin Sodium Details of Supply Issue | 
                                
                                
                                    | 05/13/2019 | F2018, ended March 2019 | 
                                
                                
                                    | 04/01/2019 | NICHI-IKO PHARMACEUTICAL AND EISAI COMMENCE  CO-PROMOTION OF NICHI-IKO PRODUCTS AND  COLLABORATION ON EISAI'S INTEGRATED PACKAGE STRATEGIES | 
                                
                                
                                    | 03/12/2019 | Consolidated Financial Results  for the third Quarter of the Fiscal Year Ending March 31, 2019 (IFRS) | 
                                
                                
                                    | 03/01/2019 | Sagent Pharmaceuticals Announces Acquisition of Raleigh Manufacturing Site | 
                                
                                
                                    | 02/12/2019 | FY2019/3 Q3, Supplementary Material(Apr.1 to Dec.31 2018) |