Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tokura Norihito,Milestones Achieved in IGBT Development over the Last 25 Years (1984∼2009),IEEJ Transactions on Industry Applications,09136339,The Institute of Electrical Engineers of Japan,2011,131,1,1-8,https://cir.nii.ac.jp/crid/1390282679634852480,https://doi.org/10.1541/ieejias.131.1