"Mitsuharu Makita,Shigeto Higuchi,Atsushi Fujii,Tetsuya Ishikawa","ECJK Multilingual Patent Retrieval System",,"Asian Symposium on Natural Language Processing to Overcome Language Barriers",,,,,2004,Mar.
"Mitsuharu Makita,Shigeto Higuchi,Atsushi Fujii,Tetsuya Ishikawa","A System for Japanese/English/Korean Multilingual Patent Retrieval",,"Proceedings of MT Summit IX",,,,"pp. 475-478",2003,Sept.
"高橋 博之,川崎 立八,牧田 光晴,樋口 重人,藤井 敦,石川 徹也","日英特許公報を用いた対訳辞書および翻訳メモリの構築",,"情報処理学会研究報告",,"  2003-NL-155",,"pp. 39-46",2003,May
"牧田 光晴,樋口 重人,藤井 敦,石川 徹也","多言語特許検索システムの開発と評価",,"情報科学技術フォーラム講演論文集",,,,"pp. 91-92",2002,Sept.
"牧田 光晴,樋口 重人,藤井 敦,石川 徹也","特許検索における分類手法の比較検討",,"情報処理学会研究報告",,"Vol. 2002-NL-151",,"pp. 95-101",2002,Sept.
"樋口 重人,牧田 光晴,藤井 敦,石川 徹也","多言語特許検索システムPRIME",,"言語処理学会第8回年次大会発表論文集",,,,"pp. 196-199",2002,Mar.