日本における太陽光発電技術開発の 評価に関する研究 2008年3月 遠藤 栄一 STUDIES ON EVALUATION OF PV TECHNOLOGY DEVELOPMENT IN JAPAN by ENDO Eiichi SYNOPSIS Thanks to sufficient and stable budgets for PV technology development, Japan has the largest annual solar cell and module production, and until 2004, had the largest cumulative installed capacity of photovoltaics in the world. Hence, Japan has been referred to as a glob