A CRM server sends to a client terminal activity data that has been read from a DB server, and directs the display thereof. When the activity data has been received from the CRM server, a client terminal obtains the screen data of a calendar screen is generated. Then a screen data for the activity detail...http://www.google.com/patents/US7739606?utm_source=gb-gplus-sharePatent US7739606 - Activity management system and method, active management apparatus, client terminal, and computer program