ちょさくけんほごきかん 著作権保護期間 LinksSentence search for 著作権保護期間Sentence search for ちょさくけんほごきかんKanji details for 著, 作, 権, 保, 護, 期 and 間Edit in JMdict Noun1. copyright protection period Discussions Log in to talk about this word.