- Ministry of Economy, Trade and Industry (METI)
- Japan Patent Office
- National Tax Agency JAPAN
- National Consumer Affairs Center of Japan
- Japan Fair Trade Commission
- Japan External Trade Organization (JETRO)
- The International Intellectual Property Protection Forum (IIPPF)
- Ministry of Finance
- Ministry of Health, Labour and Welfare
- Customs and Tariff Bureau
- Consumer Affairs Agency
- National Police Agency
- Manufactured Imports and Investment Promotion Organization (MIPRO)
- Japan Tariff Association
- EC Network