@inproceedings{weko_138093_1, author = "鈴木,優 and 中平,勝子 and 三上,喜貴", title = "特許引用関係を用いた企業の特許力評価", booktitle = "全国大会講演論文集", year = "2008", volume = "第70回", number = "コンピュータと人間社会", pages = "925--926 ", month = "mar" }