85%RatingSave Gender Masculine Usage Japanese Scripts 康介, 孝介, 浩介, 公介, etc.(Japanese Kanji) こうすけ(Japanese Hiragana) Pronounced Pron. KO-SOO-KEH, KO-SKEH [key·IPA] Meaning & History From Japanese 康 (kō) meaning "peace", 孝 (kō) meaning "filial piety, obedience" or 浩 (kō) meaning "prosperous" combined with 介 (suke) meaning "help, assist". This name can also be formed from other combinations of kanji characters. Related NamesFamily Tree·Details VariantsKosuke, KousukeSame SpellingKosuke