its products in the UK: AAH, Alliance Healthcare, and Phoenix Healthcare Distribution. Operations The company's headquarters are in Tokyo, with research centers in Tsukuba and Osaka. Clinical development is centered in Northbrook, Illinois, La Jolla, California, and Leiden, Netherlands. Combined revenues of the two pre-merger companies were $7.9 billion in 2004. Worldwide the company employs about 17,000 people. The United States subsidiary of Astellas is Astellas US LLC. The company's advertising slogans are: English: Leading Light for Life Japanese: Further reading References External links Pharmaceutical companies of Japan Life sciences industry Mitsubishi UFJ Financial Group Multinational companies headquartered in Japan Pharmaceutical companies based in Tokyo Pharmaceutical companies established in 2005 Pharmaceutical companies of the Netherlands Japanese brands Japanese companies established in 2005 Companies listed on the Tokyo Stock Exchange TOPIX 100 Companies based in Northbrook, Illinois