Search gender: all male female ジョウコウ Japanese Girl Names Variations. 1 names found. gender: all male female Name: joko Katakana: ジョウコウ 0 Kanji: 浄香 Meaning: 浄Clean 香Scent. Good smell, fragrant. Aromatic. A scented object that produces a fragrance. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ジョウコウ Japanese Girl Names Variations.