Toshiba (Fuel Cell Business) Toshiba Group is a Japan-based multinational technology company, specialising in a range of sectors, including energy, infrastructure, building solutions, retail and printing, electronic devices, digital solutions and batteries. As part of its Energy Systems and Solutions business, Toshiba has developed a hydrogen energy systems segment, specializing in proton exchange membrane fuel cells (PEMFCs). Toshiba (Fuel Cell Business)