- Traditional Chinese Character(HanT):
關口剛司
- Simplified Chinese Character(HanS):
关口刚司
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄢ ㄎㄡˇ ㄍㄤ ㄙ (ㄍㄎㄍㄙ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej0 d.3e; n " (ej0d.3e;n)
- (ASCII) Hanyu Pinyin: "guankougangsi" "Guan1Kou3Gang1Si1" "Guan1 Kou3 Gang1 Si1" (GKGS)
- (Latin) Hànyǔ Pīnyīn: GuānKǒuSī [ Guān Kǒu Sī ]
- (英文翻譯) English Translation: "Goji Sekiguchi"
- (西語翻譯) Traducción Español: "goji sekiguchi"
- (日文翻譯) 日本語翻訳: "関口剛二"