商しょう号ごうしょうごうFreq.FrequencyTop 50,000Meanings1nountrade name; firm nameRefers to the official registered name under which a company conducts business, similar to a corporate name.会かい社しゃの商しょう号ごうを変へん更こうするには登とう記きが必ひつ要ようです。To change a company's trade name, registration is required.