ReproCELL Incorporated is primarily engaged in the development of stem cell technologies. The Company operates its business in two segments. The IPS Cell segment deals with regenerative medicine focused on Human ES (embryonic stem) cells and human iPS (induced pluripotent stem) cells. This segment manufactures research reagents used in human ES / iPS cell research, such as culture fluid, peeling liquid, frozen preservation solution, coating agents and antibody. The Clinical Testing segment clinical testing services that is required by hematopoietic stem cell transplantation and organ transplantation.