著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Yu-Heng Chen and Chia-Yon Chen and Shun-Chung Lee,Technology forecasting and patent strategy of hydrogen energy and fuel cell technologies,International Journal of Hydrogen Energy,0360-3199,Elsevier BV,2011-06,36,12,6957-6969,https://cir.nii.ac.jp/crid/1360574095535149312,https://doi.org/10.1016/j.ijhydene.2011.03.063