Tokyo, Japan, Dec 27, 2005 - (JCN Newswire) - Eisai Co., Ltd. (TSE: 4523) announced that its U.K. subsidiary, Eisai Ltd., has received notification of the completion of the Mutual Recognition Procedure (MRP) from the Medicines and Healthcare products Regulatory Agency (MHRA) on December 22 (London time) for Aricept orodispersible tablet.