Search gender: all male female トウジョウ Japanese Names Variations. 1 names found. gender: all male female Name: tojo Katakana: トウジョウ 0 Kanji: 冬城 Meaning: 冬Winter. One of the four seasons. Refers to the period from December to around February. 城Castle You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > トウジョウ Japanese Names Variations.