- Traditional Chinese Character(HanT):
宇海直哉
- Simplified Chinese Character(HanS):
宇海直哉
- Bopomofo(Mandarin Phonetic Symbols): ㄩˇ ㄏㄞˇ ㄓˊ ㄗㄞ (ㄩㄏㄓㄗ)
- Bopomofo(Zhuyin Keyboard Input/IME): "m3c9356y9 " (m3c9356y9)
- 「宇海直哉」的注音符號/「宇海直哉」怎麼發音怎麼唸: ㄩˇ ㄏㄞˇ ㄓˊ ㄗㄞ
- (ASCII) Hanyu Pinyin: "yuhaizhizai" "Yu3Hai3Zhi2Zai1" "Yu3 Hai3 Zhi2 Zai1" (YHZZ)
- (Latin) Hànyǔ Pīnyīn: YǔHǎiZhíZāi [ Yǔ Hǎi Zhí Zāi ]
- (英文翻譯) English Translation: "Naoya Ukai"
- (西語翻譯) Traducción Español: "Naoya Ukai"
- (日文翻譯) 日本語翻訳: "鵜飼直也"