| Y | M | Conference Name | Attendees | Venue |
|---|
| 2016 | 12 | 26th COLING 2016 | 1,143 | Osaka International Convention Center |
| 2016 | 4 | JIAM 2016 OSAKA | 29,000 | INTEX Osaka |
| 2016 | 4 | 2016 International Wedding Show | 88,945 | INTEX Osaka |
| 2016 | 2 | Medical Japan 2016 | 26,769 | INTEX Osaka |
| 2016 | 2 | Car & Customize motor show 2016 | 200,000 | INTEX Osaka |
| 2015 | 4 | The 79th Annual Scientific Meeting of the Japanese Circulation Society | 56,100 | Osaka International Convention Center |
| 2015 | 2 | Hack Osaka | 515 | Congrès Convention Center |
| 2014 | 6 | World Congress of Poets in Osaka Japan | 180 | Osaka International House Foundation |
| 2014 | 3 | Japan ASEAN business & friendship meeting | 360 | Congrès Convention Center |
| 2013 | 11 | 12th International Xenotransplantation Congress and 3rd International Symposium on ABO Incompatibility Transplantation (IXA-ABO 2013) | 550 | Osaka International Convention Center |
| 2013 | 9 | International Conference on Total Reflection X-Ray Fluorescence Analysis and Related Methods -TXRF- | 250 | Osaka City University |
| 2013 | 8 | 2013 ITAA International Conference | 500 | Osaka International Convention Center |
| 2013 | 7 | International Conference of the IEEE Engineering in Medicine and Biology Society(EMBS) | 3,000 | Osaka International Convention Center & Rhiga Royal Hotel Osaka |
| 2013 | 7 | 4th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE) | 1,500 | Osaka International Convention Center & Rhiga Royal Hotel Osaka |
| 2012 | 11 | General Meeting of the Japanese Association for Dental Science | 17,950 | Osaka International Convention Center/INTEX Osaka |
| 2012 | 10 | Sibos2012 | 6,236 | INTEX Osaka |
| 2011 | 11 | International Gas Turbine Congress 2011 in Osaka | 600 | Osaka International Convention Center |
| 2011 | 11 | Japan New Zealand Business Council | 140 | Hilton Osaka |
| 2011 | 9 | International Conference on Martensitic Transformations(ICOMAT) | 400 | Senri Hankyu Hotel |
| 2011 | 9 | Inter-noise 2011 | 953 | Osaka International Convention Center |
| 2011 | 8 | IFTR-FIRT Annual Conference 2011 | 400 | Osaka University(ToyonakaCampus) |
| 2011 | 7 | The 2nd Asia-Pacific Primary Liver Cancer Expert Meeting | 550 | Hyatt Regency Osaka |
| 2011 | 4 | 4th WSLO (World Society of Lingual Orthodontics) Congress | 787 | Osaka International Convention Center |
| 2010 | 8 | 14th International Handbell Symposium | 5,563 | Osaka International Convention Center |
| 2009 | 10 | DGCA | 252 | Osaka University Nakanoshima Center |
| 2009 | 10 | The 5th Congress of Asia Pacific Society for the Study of Aging Male (APSSAM) | 2,300 | Osaka International Convention Center/Osaka Central Public Hall |
| 2009 | 10 | The 6th Congress of Asian Sleep Research Society, The 34th Annual Meeting of Japanese Society of Sleep Research,The 16th Annual Meeting of Japanese Society for Chronobiology Joint Congress OSAKA, JAPAN | 500 | Osaka International Convention Center & Rhiga Royal Hotel Osaka |
| 2009 | 10 | IEEE International Conference on Industrial Informatics (INDIN2010) | 195 | ANA Gate Tower Hotel |
| 2008 | 8 | The 21st Congress of the Int'l Union of Crystallography | 2,500 | Osaka Int'l Convention Center |
| 2007 | 3 | Congress of the International Society for Gynecologic Endoscopy | 1,000 | Osaka Int'l Convention Center |
| 4 | The 27th General Assembly of the Japan Medical Congress | 30,000 | Osaka Int'l Convention Center |
| 5 | The 23rd International Symposium on Cerebral Blood Flow and Metabolism | 1,000 | Osaka Int'l Convention Center |
| 10 | The 17th Conference of the Confederation of Asian and Pacific Accountants | 2,000 | Osaka Int'l Convention Center |
| 2006 | 5 | The 14th World Rose Convention | 700 | Int'l House, Osaka |
| 6 | The 20th Int'l Congress of Computer Assisted Radiology and Surgery | 1,400 | Osaka Int'l Convention Center |
| 10 | The 24th Int'l Federation of the Societies of Cosmetic Chemists Congress | 1,800 | Osaka Int'l Convention Center |
| 2005 | 9 | The 16th Int'l Conference on Soil Mechanics and Geotechnical Engineering | 2,000 | Osaka Int'l Convention Center |
| 11 | The 117th IATA Schedules Conference | 1,300 | Osaka Int'l Convention Center |
| 2004 | 5 | Rotary International Convention 2004 | 45,000 | Osaka Dome, etc |
| 2003 | 3 | The 3rd World Water Forum | 5,000 | Osaka Int'l Convention Center,etc. |
| 2002 | 9 | The 121st Ordinary Meeting of OPEC | | Hotel New Otani Osaka |
| 2001 | 5 | The 5th International Conference on Preventive Cardiology | 3,000 | Osaka Int'l Convention Center |
| 9 | The 14th Session of the General Assembly of the World Tourism Organization | 1,500 | Osaka Int'l Convention Center |
| 2000 | 4 | The 20th Int'l Society for Heart and Lung Transplantation | 1,000 | Osaka Int'l Convention Center |
| 1995 | 11 | The 7th Asia-Pacific Economic Cooperation (APEC) | | Hotel New Otani Osaka |
