Green Cross was founded in 1950 as Japan 's first commercial blood bank and became a diversified international pharmaceutical company producing ethical drugs for delivery or administration by doctors and healthcare workers . Its founders included war criminals such as Kitano Masaji who performed torture and experiments on humans in the Japanese military 's notorious Unit 731 during World War II . Its products were extensively used in the treatments of a wide range of ailments . As well as supplying whole blood for transfusions , Green Cross was also active in developing blood derivative products such as coagulation factors , immunoglobulin and albumin . In the mid 1960s , it expanded into the non-plasma sector . Cardiovascular agents , coagulation/fibrinolytic agents , immunological agents , anti-inflammatory agents , albumin-based agents , blood plasma components and parenteral nutrition accounted for 71 % of fiscal 1998 unconsolidated revenues ; wholesale of diagnostic reagents , 14 % and other , 15 % . Unconsolidated revenues accounted for 59.5 % of fiscal 1998 consolidated revenues . The company had eleven consolidated subsidiaries , three each in the United States and Japan , and one each in Germany , the United Kingdom , Barbados , China and Hong Kong . Overseas sales accounted for 41.9 % of fiscal 1998 consolidated revenues
Unit 731
Unit 731
Green Cross (Japan)