"Manabu Hirakawa,Junichi Iijima","A study on integrated mobile service using digital watermark for various information carriers","the 10th International Conference on Mobile Business (ICMB 2011)","Proceedings of the 10th International Conference on Mobile Business",,,,"pp. 283-291",2011,June
"Manabu Hirakawa,Junichi Iijima","Application of Digital Watermark Technology for Movie Data in Streaming Distribution Service","The IEEE International Conference on Industrial Engineering and Engineering Management (IEEM 2010)","Proceedings of the IEEE International Conference on Industrial Engineering and Engineering Management (IEEM 2010)","IEEE",,,"pp. 1830-1835",2010,Dec.
"Manabu Hirakawa,Junichi Iijima","Mobile Services and Implementation of Digital Watermarks in Audio Files","The 6th International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2010)","Proceedings of the 6th International Conference on Intelligent Information Hiding and Multimedia Signal Processing",,,,"pp. 94-97",2010,Oct.
"平川学,飯島淳一","さまざまな情報担体に対する電子透かし技術を利用した流通管理に関する一考察","経営情報学会2010年春季全国研究発表大会","経営情報学会2010年春季全国研究発表大会予稿集","経営情報学会",,,"  E3-1",2010,June
"Manabu Hirakawa,Junichi Iijima","A study on object-oriented implementation of digital watermark based on uncertainty management","2010 7th International Conference on Services Systems and Services Management","Proceedings of ICSSSM'10","IEEE",,,"pp. 900-905",2010,June
"平川学,飯島淳一","映像データに対する電子透かし技法に関する一考察",,"2010年電子情報通信学会講演論文集",,,,"  D-19-2 (p.228)",2010,Mar.
"平川学,飯島淳一","映像データに対する電子透かし技術の実装とサービスに関する一考察",,"経営情報学会2009年春季全国研究発表大会予稿集",,,,"pp. 304-307,  G1-1",2009,Nov.
"Manabu Hirakawa,Junichi Iijima","A Study on Digital Watermarking Usage in the Mobile Marketing Field: Cases in Japan","2nd International Symposium on Logistics and Industrial Informatics (LINDI 2009)","Proceedings of  the 2nd International Symposium on Logistics and Industrial Informatics",,,,"pp. 154-159",2009,Sept.
"Manabu Hirakawa,Junichi Iijima","Validating the Effectiveness of Using Digital Watermarking Technology for E-commerce Website Protection","the 9th Asian eBusiness Workshop","Proceedings of the 9th Asian eBusiness Workshop","the 9th Asian eBusiness Workshop",,,"  127-132",2009,Aug.
"平川学,飯島淳一","音声データに対する電子透かし技術の実装とモバイルサービスに関する一考察",,"経営情報学会2009年春季全国研究発表大会予稿集",,,,"pp. 113-116",2009,July
"Manabu Hirakawa,Junichi Iijima","A Study on Data Management Using Mobile Computing With Digital Watermark Technology","the 6th International Conference on Service Systems and Service Management (ICSSSM'09)","Proceedings of the 6th International Conference on Service Systems and Service Management (ICSSSM'09)",,,,"  NO. 111",2009,June
"平川学,飯島淳一","流通管理における電子透かし利用の一考察","経営情報学会2008年度秋季全国研究発表大会","経営情報学会2008年度秋季全国研究発表大会予稿集",,,,"pp. B1-3",2008,Nov.
"平川 学","著作権保護における電子透かしサービスモデルの有効性検証","経営情報学会2008年度春季全国研究発表大会","経営情報学会2008年度春季全国研究発表大会予稿集",,,,"pp. G4-2",2008,June