S Watanabe, S Takemura, Y Tsutsui… - US Patent …, 2011 - Google Patents Page 1. Illlllllllllllllllllllllllllllllllll US007871644B2 (12) United States Patent ao) Patent no.: us 7,871,644 B2 Watanabe et al. (45) Date of Patent: * Jan. 18,2011 (54) PHARMACEUTICAL COMPOSITION FOR ORAL USE WITH IMPROVED ... Related articles - All 3 versions