Okamoto Takashi

2020 - 2023 Comparative Studies on the Annexation of Tributary States in Modern East Asia

2020 - 2023 Historical Transition of the Concept of Chinese World Order

2017 - 2020 Comprehensive Studies on the "Kyorin" with special reference to Modern Korea: a Re-examination of the World Order in East Asia

2017 - 2020 Chinese Diplomacy for Asia : History, Philosophy and Policy

2016 - 2020 China's economic institutions: The relationship between the government, commerce, and industry

2016 - 2019 Comparative study of modern history education formation in the global world

2014 - 2017 The Historical Transition of Concept of Sovereignty and its Influence on Diplomacy: Discourse and Negotiation

2014 - 2017 Historical Reexamination of Modern East Asia: from the Shelves of the George Morrison Pamphlet Collection

2010 - 2015 Toward a construction of a new concept of " Religious Heritage Studies"

2011 - 2014 Long-run Analysis for 150 Years of Chinese Diplomacy: Reexamination of the Continuity and the Transformation Process since the 19th Century

2011 - 2014 Creation and dissemination of a new view on modern East Asian history based on utilization of the George Morrison Pamphlet Collection

2008 - 2011 A study on tribute and regulated trade from 14th to early 20th century and transformation of world order in East Asia

2008 - 2010 The end of Celestial Tribute relations and the formation of historiography of it in East Asia

2007 - 2009 Imperial Russia and the Emergence of "Northeast Asia" from the Viewpoint of International Relations

2005 - 2007 A Preliminary Study on the Diplomatic History of Modern China through Thorough Researches after the Journals of Chinese Diplomatic Missions Abroad in the Late 19th Century

2004 - 2007 Re-Construction of Study for Chinese Diplomacy : Re-Bridge and Discussion between Contemporary Studies and Historical Approach on Chinese Diplomacy, for Long-term Perspective

2002 - 2005 The Publicness beyond the Frontiers : Comparative Historical Studies of Europe and East Asia

1996 - 1996 清末・民国期の対外関係からみた中国財政の研究

1994 - 1995 清代後期における海関制度と中国沿海世界の考察

1994 - 1994 清代後期における海関制度と中国沿海世界の考察

中国海関に関する研究

近代中国経済史研究

近代中国対外関係史研究

Study on the Foreign Relations in Modern China

Study on the Economic History in Modern China

Study on the Chinese Maritime Customs