2015.4 Treatise on Japanese Taxation, Second Edition Books Yo Ota(Author) Yasutaka Nishikori(Author) Akihiro Hironaka(Author-Editor) and others
2012.6.11 Developments in the EU Environment and Energy Regulations: 20/20/20 Agenda and REACH External Seminars Kozo Kawai(Panelist)
2011.11 Treatise on Japanese Taxation Books Yo Ota(Author) Yasutaka Nishikori(Author) Akihiro Hironaka(Author-Editor) and others
2011.7 Frontiers of Transfer Pricing (in J) Books Yo Ota(Author-Editor) Akihiro Hironaka(Author-Editor) Tsuyoshi Ito(Author) and others
2010.11 Development of Tax Law in Japan Books Yo Ota(Author) Yasutaka Nishikori(Author) Akihiro Hironaka(Author) and others
2010.7 Frontlines of International Tax Litigation (in J) Books Yo Ota(Author-Editor) Michihiro Mori(Author) Akihiro Hironaka(Author-Editor) and others
2009.3.10 Global Economic Activities and EU Merger Regulations: Legal and Economic Analysis Tokyo External Seminars Kozo Kawai(Panelist)