1972: Diplomatic relations between Japan and Oman has been Established  

1989: Personal Representative of His Majesty the Sultan of Oman, H.H. Sayyid Thuwainy bin Shihab bin Faisal Al Said visited Japan

1989: Minister Responsible for Foreign Affairs of Oman, Yousuf bin Alawi bin Abdullah visited Japan

1989: Special Advisor to H.M. the Sultan, Sultanate of Oman, H.E. Dr. Omar Abdur Munim Al-Zawawi visited Japan

1990: Minister for Foreign Affairs of Japan, Nakayama Taro visited Oman

1990: Prime Minister of Japan, Kaifu Toshiki visited Oman

1990: Special Advisor to H.M. the Sultan, Sultanate of Oman, H.E. Dr. Omar Abdur Munim Al-Zawawi visited Japan

1990: Minister of National Heritage and Culture of Oman, HH Sayyid Faisal Bin Turki Al Said visited Japan

1991: Special Advisor to H.M. the Sultan, Sultanate of Oman, H.E. Dr. Omar Abdur Munim Al-Zawawi visited Japan

1992: Minister of Commerce and Industry of Oman, Maqboul bin Ali bin Sultan visited Japan

1994: Their Imperial Highnesses Crown Prince and Princess of Japan, visited Oman

1994: Minister of Oil and Gas of Oman, Said bin Ahmed Al Shanfari visited Japan

1996: Minister Responsible for Foreign Affairs of Oman, Yousuf bin Alawi bin Abdallah visited Japan

1997: Deputy Prime Minister for Council of Ministers of Oman, Sayyid Fahd bin Mahmoud al Said visited Japan

1997: Special Advisor to H.M. the Sultan of Oman, H.E. Dr. Omar Abdur Munim Al-Zawawi visited Japan

1998: Minister of Oil and Gas of Oman, Mohammad bin Hamad bin Saif al Rumhy visited Japan

1998: Minister of Agriculture and Fisheries of Oman, Ahmad bin Khalfan bin Mohammad of Ramshi visited Japan

1999: Minister of National Economy Supervisor of Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2000: Minister of Oil and Gas of Oman, Mohammad bin Marmad bin Saif al Rumhy visited Japan

2000: Minister Responsible for Foreign Affairs of Oman, Yousuf bin Alawi bin Abdullah visited Japan

2001: Senior Vice Minister for Foreign Affairs of Japan, Eto Seishiro visited Oman

2001: Parliamentary Secretary for Foreign Affairs of Japan, Maruya Kaori visited Oman

2001 March: Senior Vice-Minister for Foreign Affairs of Japan, Seishiro Eto visited Oman 

2002: Minister of National Heritage and Cultureof Oman, Sayyd Haithem bin Tariq Al-Said visited Japan

2002: Minister of National Economy and Supervisor of the Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2002: Minister of Oil and Gas of Oman, Mohammad bin Marmad bin Saif al Rumhy visited Japan

2002: Special Advisor to H.M. the Sultan of Oman, Dr. Omar Abdur Munim Al-Zawawi visited Japan

2002: Chief of Staff, JMSDF of Japan, Ishikawa Toru visited Oman

2003: Member of the House of Representative of Japan, Koike Yuriko visited Oman

2003: Minister of National Economy and Supervisor of the Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2003: Undersecretary for Education Curricula, Ministry of Education of Oman, Dr. Fawzia bint Nasser Al-Farsi visited Japan

2003: Chief of Staff, JMSDF of Japan, Furusho Koichi visited Oman

2003: Minister Responsible for Foreign Affairs of Oman, Yousuf bin Alawi bi Abdullah visited Japan

2004: Minister of Transport and Communications of Oman, Sheikh Muhammed bin Abdullah bin Isa al Harthy visited Japan

2004: Minister of Oil and Gas of Oman, Mohammad bin Marmad bin Saif al Rumhy visited Japan

2004: Minister of National Economy and Supervisor of the Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2004: Commander of the Royal Navy of Oman, Rear Admiral Solim bin Abdullah bin Rashid al Alawi visited Japan

2004: President of the Public Authority for Craft Industries of Oman, Sheikha Aáisha bint Khalfom bin Jumeil Al Siyabiya visited Japan

2004: Special Advisor to H.M. the Sultan of Oman, Dr. Omar Abdur Munin Al-Zawawi visited Japan

2005: Minister of National Economy and Supervisor of the Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2005: Parliamentary Secretary for Foreign Affairs of Japan, Kawai Katsuyuki visited Oman

2006: Minister of National Economy and Supervisor of the Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2006: Chief of Staff, JMSDF of Japan, Saito Takashi visited Oman

2007: Special Advisor to H.M. the Sultan of Oman, Dr. Omar Abdur Munin Al-Zawawi visited Japan

2007: Minister of National Economy and Supervisor of the Ministry of Finance of Oman, Ahmad bin Abdul Nabi Macki visited Japan

2007: Minister of Sports Affairs of Oman, Eng. Ali bin Masoud bin Ali Al Sunaidy visited Japan

2007: Member of the State Council of Oman, Muna Mahfouz Salem Al-Manthary visited Japan

2007: Vice-Minister for Foreign Affairs of Japan, Sekiguchi Masakazu visited Oman

2007: Senior Vice Minister of Finance of Japan, Tanaka Kazunori visited Oman

2007: Chief of Staff, JMSDF of Japan, Yoshikawa Eiji visited Oman

2008: Minister of State for Gender Equality and Social Affairs of Japan, Kamikawa Yoko visited Oman

2008: Special Envoy of Japan, Okuda Hiroshi visited Oman

2008: Senior Vice-Minister of Education, Culture, Sports, Science and Technology of Japan, Yamauchi Toshio visited Oman

2008: Minister of Heritage and Culture of Oman, Haitham bin Tarik Al-Said visited Japan

2008: Minister of National Economy and supervisor of the Ministry of Finance of Oman, Ahmed bin Abdul Nabi Macki visited Japan

2008: Chairman of the National Records and Achieves Authority of Oman, Dr. hamad Mohammed Dhuuaihi Al-Dawyani visited Japan

2008: Member of the State Council of Oman, Dr. Samira bint Mohamed Al-Moosa visited Japan

2008 March: Sayyid Haitham bin Tarik Al Said, Minister of Heritage and Culture of the Sultanate of Oman visited Japan

2009: Former Minister of State for Economic and Fiscal Policy of Japan, Ota Hiroko visited Oman

2009: Parliamentary Vice-Minister for Foreign Affairs of Japan, Nishimura Yasutoshi visited Oman

2009: Former Prime Minister and Special Envoy of Japan, Fukuda Yasuo visited Oman

2009: H.E. Sayyid Badr bin Hamad al Busaidi, Secretary General of the Ministry of Foreign Affairs of Oman visited Japan

2009: Minister of Oil and Gas of Oman, Mohammad bin Marmad bin Saif al Rumhy visited Japan

2009: Minister of Higher Education of Oman, Rawya bint Saud bin Ahmed al Busaidiyah visited Japan

2010: Minister of National Economy and supervisor of the Ministry of Finance of Oman, Ahmed bin Abdul Nabi Macki visited Japan

2010: Minister of Environment and Climate Affairs of Oman, Sayyid Hamood bin Faisal Al Busaidi visited Japan

2010: Minister Responsible for Foreign Affairs of Oman, Yousuf bin Alawi bin Abdallah visited Japan

2010: Minister of Higher Education of Oman, Rawya bint Saud bin Ahmed al Busaidiyah visited Japan

2010: Minister of Environment and Climate Affairs of Oman, Sayyid Hamood bin Faisal Al Busaidi visited Japan

2010: Minister of Oil and Gas of Oman, Mohammad bin Marmad bin Saif al Rumhy visited Japan

2010: Parliamentary Vice-Minister of Defense of Japan, Kusuda Daizo visited Oman

2011: Parliamentary Vice-Minister for Foreign Affairs of Japan, Tokunaga Hisashi visited Oman

2011: Commander, Royal Oman Navy of Oman, Rear Admiral Adbullah bin Khamis bin Abdullah Al Raisi visited Japan

2011: Minister of Manpower of Oman, Mr. Shaikh Abdullah Nasser Al Bakri visited Japan

2011: Member of the House of Representative of Japan, Nishimura Yasutoshi visited Oman

2012: Minister of Transport and Communications of Oman, Dr. Ahmed bin Mohammed bin Salim al Futaisi visited Japan

2012: Secretary General of the Ministry of Foreign Affairs of Oman, Sayyid Badr bin Hamad al Busaidi visited Japan

2012 May: Parliamentary Senior Vice-Minister for Foreign Affairs of Japan, Yamane Ryuji visited Oman

2013: Minister of Environment and Climate Affairs of Oman, Mohammed bin Salim bin Said al Toobi visited Japan

2013: Chairman of the Public Authority for Investment Promotion and Export Development of Oman, Dr. Salem bin Nasser bin Said Al Ismaily visited Japan

2014: Chief of Staff, JMSDF of Japan, Kawano Katsutoshi visited Oman

2014: Minister of Heritage and Culture of Oman, Sayyid Haitham bin Tariq bin Taimur Al Said visited Japan

2014: Minister of Higher Education of Oman, Rawya Saud Ahmed Al-Busaidi visited Japan

2014: Minister of Education of Oman, Dr. Madeeha bint Ahmed bin Nassir al Shibaniyah visited Japan

2014 January: Prime Minister of Japan, Abe visited Oman

2014 July: Parliamentary Vice-Minister for Foreign Affairs of Japan, Takao Makino visited the Sultanate of Oman 

2014 August: Entry into Force of the Agreement between the Government of Japan and the Government of the Sultanate of Oman for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with respect to Taxes on Income 

2015: Secretary General of the Ministry of Foreign Affairs of Oman, Sayyid Badr bin Hamad al Busaidi visited Japan

2015: Parliamentary Vice-Minister for Foreign Affairs of Japan, Makino Takao visited Oman

2016: Minister of Commerce and Industry of Oman, Ali bin Masoud bin Ali al Sunaidy visited Japan

2016: Secretary General of the Ministry of Foreign Affairs of Oman, Sayyid Badr bin Hamad al Busaidi visited Japan

2016: Minister of Awqaf and Religious Affairs of Oman, Shaikh Abdullah bin Mohammad bin Abdullah al Salmi visited Japan

2016: Parliamentary Vice-Minister for Foreign Affairs of Japan, Yamada Miki visited Oman

2016: State Minister for Foreign Affairs of Japan, Sonoura Kentaro visited Oman

2016: Chief of Staff, Joint Staff of Japan, Kawano Katsutoshi visited Oman

2017: Secretary General of the Ministry of Foreign Affairs of Oman, Sayyid Badr bin Hamad al Busaidi visited Japan

2017: State Minister for Foreign Affairs of Japan, Sato Masahisa visited Oman

2017: Minister for Foreign Affairs of Japan, Kono Taro visited Oman

2017 December: Meeting between Foreign Minister of Japan, Taro Kono and Minister of Royal Office of Oman Sultan bin Mohammed Al Numani

2018: Chairman of the Special Economic Zone Authority at Al Duqm of Oman, Dr. Yahya bin Said bin Abdullah Al Jabri visited Japan

2018: Minister of Legal Affairs of Oman, Dr. Abdullah bin Mohammed bin Said al Saidi visited Japan

2018: Special Advisor to the Prime Minister of Japan, Sonoura Kentaro visited Oman

2019: State Minister for Foreign Affairs of Japan, Sato Masahisa visited Oman

2019: Minister of Defense of Japan, Kono Taro visited Oman

2019: Minister Responsible for Defence Affairs of Oman, Sayyid Badr bin Saud bin Hareb al Busaidi

2019: Minister of Oil and Gas of Oman, Dr. Mohammed Al Rumhy visited Japan

2019: Deputy Prime Minister for International Relations and Cooperation Affairs and Special Representative for His Majesty the Sultan of Oman, Sayyid Asaad bin Tariq bin Taimur Al Said visited Japan

2019: Minister of Tourism of Oman, Ahmed Al Mehrzi visited Japan

2019 October: Meeting between Prime Minister of Japan, Shinzo Abe and H.H. Sayyid Asaad, the Deputy Prime Minister for International Relations and Cooperation Affairs and Special Representative for the Sultan of Oman 

2020 January: Prime Minister of Japan, Abe visited Oman 

2021 December: Announcement of the Official Logo for the 50th anniversary of the establishment of diplomatic relations between Japan and the Sultanate of Oman in 2022 

2022: Parliamentary Vice-Minister for Foreign Affairs of Japan, Honda Taro visited Oman

2022: Minister of Economy, Trade and Industry of Japan, Nishimura Yasutoshi visited Oman

2022: The Honorable Deputy Chairman of the Sultanate of Oman State Council of Oman, Honorable Sheikh Dr. Al Khattab bin Ghalib bin Ali Al Hinai visited Japan

2022: Minister of Energy and Minerals of Oman, Salim Nasser Said Al Aufi visited Japan

2022: Adviser at the Diwan of the Royal Court of Oman, Sheikh Salim bin Mustahil bin Ahmed Al Maashani visited Japan

2022 January: Commemorative Event Endorsement Guidelines for the 50th Anniversary of the Establishment of Diplomatic Relations between Japan and the Sultanate of Oman in 2022  

2022 April: Japan-Oman Foreign Ministers’ Telephone Talk 

2023: Former State Minister of the Environment of Japan, YAMADA Miki (Secretary General of the Japan - Oman Parliamentarians’ Friendship League) visited Oman

2023 March: Japan-Oman Foreign Ministers’ Meeting 

2023 September: Japan-Oman Foreign Ministers’ Meeting 

2023: Minister of Housing and Urban Planning of Oman, Khalfan Said Al Shueili visited Japan

2023 November: Japan-Oman Foreign Ministers' Telephone Talk 

2024: H.E. Sheikh Ghosn bin Hilal bin Khalifa Al-Alawi Chairman of the State Audit Institution (SAI) of Oman visited Japan