Search gender: all male female ニロタカ Japanese Boy Names Variations. 1 names found. gender: all male female Name: nirotaka Katakana: ニロタカ 2 Kanji: 宏嵩 Meaning: 宏Large. Big. Expand. Excellent. To be splendid. 嵩Mountains rise high. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ニロタカ Japanese Boy Names Variations.