An information recording apparatus that records information on an information recording medium includes a setting mechanism that sets defect management information including information with respect to a specific area in a recording area of the information recording medium in which a defect detection...http://www.google.com/patents/US7663989?utm_source=gb-gplus-sharePatent US7663989 - Method of setting defect management information, method of recording data, computer program product, computer readable storage medium, and information recording apparatus that properly records plural types of data for different uses on the same information recording medium
