Search gender: all male female トモエイ Japanese Names Variations. 1 names found. gender: all male female Name: tomoei Katakana: トモエイ 0 Kanji: 知衛 Meaning: 知Knowing. Wisdom. The ability to think. News. Acquaintance. To preside over. To govern. 衛Protect. Go around. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > トモエイ Japanese Names Variations.