KKongŏp soyukwŏnpŏpKongŏp soyukwŏnpŏpde Nobuhiro NakayamaMateriasPatent laws and legislationIndustrial propertyEdiciones (1)Kongŏp soyukwŏnpŏp (2001)Pŏmmunsa · korMás obras de Nobuhiro NakayamaSSofutowea no hōteki hogoSofutowea no hōteki hogo1986Chosakukenhō2007CChosakuken hanrei hyakusenChosakuken hanrei hyakusen
DDenshi shōtorihiki oyobi jōhōzai torihiki tō ni kansuru junsDenshi shōtorihiki oyobi jōhōzai torihiki tō ni kansuru junsoku to kaisetsu