[IEEE PICMET '07 - 2007 Portland International Conference on Management of Engineering & Technology - Portland, OR, USA (2007.08.5-2007.08.9)] PICMET '07 - 2007 Portland International Conference on Management of Engineering & Technology - Outline of the Strategic Technology Roadmap of METI (Ministry of Trade and Industry of JAPAN) and Trial Approach for Technology Convergence with the Methodology of Technology Roadmapping