Search gender: all male female Japanese Boy Names Meaning Eisen 1 names found. gender: all male female Name: eisen Katakana: エイセン 0 Kanji: 瑛千 Meaning: 瑛A beautiful, transparent gem. Crystals. Gemstone light. Beautiful transparent gem. 千Thousand. Kanji character for the number 1000 (thousand).A unit of number. A large number. Many. Various appearances. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Meaning > Japanese Boy Names Meaning Eisen