日にっ東とう電でん工こうMeaningsNoun1. Nitto Denko CorporationKanji used日sun東east電electric工constructionComposed of日にちSunday; nth day (of the month); counter for days; JapanNoun東とう電でんTokyo Electric Power Co., Inc.; Tokyo Denryoku; TEPCONoun工こう(factory) workerSuffix