nitto denko corporation (日東電工株式会社, nittō denkō kabushiki-gaisha) is a japanese company that produces tapes, vinyl, lcds, insulation, and several other products. it was founded in osaki, tokyo in 1918 to produce electrical insulation and it survived world war ii, despite the destruction of its central offices which has since moved to osaka. nitto is a member of the mitsubishi ufj financial group (mufg) keiretsu.