- Traditional Chinese Character(HanT):
こせきこうじ
- Simplified Chinese Character(HanS):
こせきこうじ
- Bopomofo(Mandarin Phonetic Symbols): ㄎㄡˋ ㄒㄟˊ ㄎㄧˋ ㄎㄡˋ ㄨˋ ㄐㄧˋ (ㄎㄒㄎㄎㄨㄐ)
- Bopomofo(Zhuyin Keyboard Input/IME): d.4vo6du4d.4j4ru4
- (ASCII) Hanyu Pinyin: "kouxeikikouwuji" "Kou4Xei2Ki4Kou4Wu4Ji4" "Kou4 Xei2 Ki4 Kou4 Wu4 Ji4" (KXKKWJ)
- (Latin) Hànyǔ Pīnyīn: KòuXéiKìKòuWùJì [ Kòu Xéi Kì Kòu Wù Jì ]
- (英文翻譯) English Translation: "Koji Koseki"
- (西語翻譯) Traducción Español: "Koji Koseki"
- (日文翻譯) 日本語翻訳: "こせきこうじ"