"乾 利之,田中義敏","自動車産業の進化により生じる企業の業態変化に関する考察","日本知財学会第 16 回年次学術研究発表会","日本知財学会第１6回年次学術研究発表会予稿集",,,,,2018,Dec.
"Yoshitoshi Tanaka,Toshiyuki Inui,Suzuka Yoshida","Questionnaire Survey at Universities on Utilization of Patent Information for Academic Science and Technology Researches","Portland International Center for Management of Engineering and Technology (PICMET) 2018","Portland International Center for Management of Engineering and Technology (PICMET) 2018 Proceeding","IEEE",,,,2018,Aug.
"乾利之,田中義敏","IoTの分散処理化における権利保護に関する一考察","日本知財学会第１5回年次学術研究発表会","日本知財学会第１5回年次学術研究発表会予稿集","一般社団法人日本知財学会",,,,2017,Dec.
"乾利之,田中義敏","IoT関連発明の保護に関する一考察?IT関連発明の保護における課題を参考に?","日本知財学会第１４回年次学術研究発表会","日本知財学会第１４回年次学術研究発表会予稿集","一般社団法人日本知財学会",,,,2016,Dec.
"Toshiyuki Inui,Yoshitoshi Tanaka","How Can We Predict the New Products and Services by Using the Trademark Information and the Patent Information?","Portland International Center for Management of Engineering and Technology (PICMET) 2016","Portland International Center for Management of Engineering and Technology (PICMET) 2016 Proceeding","Portland International Center for Management of Engineering and Technology (PICMET)",,,"pp. 1478-1486",2016,Sept.
"Yoshitoshi Tanaka,Toshiyuki Inui","Preliminary Study on Why University Researchers Do Not Utilize Patent Information for Their Academic Research in the Field of Science and Engineering in Japan","Portland International Center for Management of Engineering and Technology (PICMET) 2016","Portland International Center for Management of Engineering and Technology (PICMET) 2016 Proceeding","Portland International Center for Management of Engineering and Technology (PICMET)",,,"pp. 1606-1618",2016,Sept.
"乾利之,田中義敏","企業活動において示唆的な商標と独創的な商標とではどちらが有益か？","日本知財学会第13回年次学術研究発表会","日本知財学会第13回年次学術研究発表会予稿集",,,,,2015,Dec.
"乾利之,田中義敏","商標情報および特許情報を利用した新商品予測に関する考察","日本知財学会第12回年次学術研究発表会","日本知財学会第12回年次学術研究発表会予稿集","一般社団法人日本知財学会",,,,2014,Nov.