2019
| Year | Month | Date | Title | 
| 2019 | February | 22 | Study Group on Improvement of Trading Environment surrounding Digital Platforms | 
| 2019 | March | 13 | Survey on Credit Card Market | 
| 2019 | April | 9 | Survey Report Regarding Transactions in B2C E-Commerce | 
| 2019 | October | 31 | Report regarding trade practices on digital platforms (Business-to-Business transactions on online retail platform and app store) | 
2017
| Year | Month | Date | Title | 
| 2017 | June | 6 | Report of Study Group on Data and Competition Policy | 
| 2017 | June | 28 | Survey on LNG Trades(Chapter 4 Ensuring of fair competition in LNG trades) | 
| 2017 | November | 29 | Survey on Trades of School Uniforms at Public Junior High Schools | 
2016
| Year | Month | Date | Title | 
| 2016 | February | 4 | |
| 2016 | August | 2 | Issues Concerning Competition Policy in the Mobile Phone Market (Outline) | 
| 2016 | December | 21 | Compliance Efforts of Trade Associations for Achieve Antimonopoly Act | 
2015
| Year | Month | Date | Title | 
| 2015 | July | 29 | Report on Fact-Finding Survey on Transactions for the Production of TV Programs (Overview) | 
| 2015 | March | 11 | Transactions between Shippers and Logistics Companies (Summary) | 
2013
| Year | Month | Date | Title | 
| 2013 | July | 23 | 
2012
| Year | Month | Date | Title | 
|---|---|---|---|
| 2012 | September | 21 | Proposals for the electricity market from competition policy | 
2010
2009
| Year | Month | Date | Title | 
|---|---|---|---|
| 2009 | January | 23 | Fact-finding survey on Animation Industry (Overview) ( Tentative Translation ) (PDF:147KB) | 
2008
2007
| Year | Month | Date | Title | 
|---|---|---|---|
| 2007 | August | 3 | Report on the Fact Finding Survey on Textbook Distribution (Summary)(PDF:476KB) | 
| 2007 | July | 12 | Report of the Study Group on Introduction of the Group Litigation System (Summary)(PDF:14KB) | 
2006
| Year | Month | Date | Title | 
|---|---|---|---|
| 2006 | December | 19 | Fact-finding survey on representations concerning short-term language training programs in foreign countries(PDF:53KB) | 
| 2006 | October | 31 | Survey Report on the Actual State of Tendering and Contracting System in the Public Procurement(PDF:117KB) | 
| 2006 | July | 21 | Issues Concerning Postal Services and Competition Policy Coinciding with the Enactment of the Law of the Privatization of the Postal Services(PDF:297KB) | 
| 2006 | June | 22 | The 2nd Draft Report of the Study Group on international shipping market and the Competition Policy | 
| 2006 | June | 7 | Issues concerning electricity market and competition policy(Summary)(PDF:55KB) | 
| 2006 | May | 24 | Corporate Compliance System | 
2005
| Year | Month | Date | Title | 
|---|---|---|---|
| 2005 | Feburuary | 2 | Results of Survey on Trading Between Large Scale Retailers and Suppliers | 
2003
| Year | Month | Date | Title | 
|---|---|---|---|
| 2003 | October | 28 | 
 | 
| 2003 | July | 31 | Fact-finding Survey on Hot spring displays | 
| 2003 | March | 31 | Report of "Study Group of Digital Content and Competition Policy" (summary)(PDF:65KB) |