KEYWORD RETRIEVAL METHOD AND DEVICE THEREFOR FOR PATENT INFORMATION

摘要

PROBLEM TO BE SOLVED: To provide keyword retrieval method and device therefor for patent information, which can precisely and efficiently investigate and analyze paten information, by connecting or dividing the keywords of patent information and automatically arranging them. ;SOLUTION: In the keyword retrieval method for retrieving a keyword from patent information stored in a prescribed storage medium, a prescribed patent information is extracted based on a prescribed condition which is inputted/set and the keyword is retrieved. The retrieved keywords are connected or divided by the prescribed condition so as to arrange them. The keywords are ranked in accordance with the number of retrieval times, for example so as to arrange them.;COPYRIGHT: (C)2000,JPO