Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKAGI Naoya,Introduction of the Japan Platform for Patent Information,Journal of Information Processing and Management,00217298,Japan Science and Technology Agency,2015,58,7,525-533,https://cir.nii.ac.jp/crid/1390282680483744384,https://doi.org/10.1241/johokanri.58.525