UNIQLO Co. Ltd., a division of Japan-based Fast Retailing Co. Ltd., will open a store in Paramus, N.J., and its first West Coast store in San Francisco. The bi-level, 43,000-sq.-ft. New Jersey store is slated to open on Sept. 28. It will be the retailer's biggest mall store in the world, and will serve as a prototype for future mall locations. The San Francisco store is slated to open on Oct. 5.