Search gender: all male female Tomotane Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: tomotane Katakana: トモタネ 0 Kanji: 誠胤 Meaning: 誠True. A heart without lies and falsehoods. Sincerity. Truly. 胤Blood relations Name: tomotane Katakana: トモタネ 0 Kanji: 友胤 Meaning: 友Friend 胤Blood relations You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tomotane Name Meaning, Kanji Variations.