Search gender: all male female コウフウ Japanese Girl Names Variations. 1 names found. gender: all male female Name: kofu Katakana: コウフウ 0 Kanji: 洸楓 Meaning: 洸Water spreads 楓Maple. A general term for plants of the genus Acer in the family Aceraceae. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > コウフウ Japanese Girl Names Variations.