Search gender: all male female マサトク Japanese Boy Names Variations. 1 names found. gender: all male female Name: masatoku Katakana: マサトク 0 Kanji: 昌徳 Meaning: 昌Thriving. vigorous. Explicit. bright. good. beautiful. Splendid. Sunlight. 徳Fine conduct or character. A person who behaves in a morally excellent manner. A person of character. Grace. Benefit. Happiness. To be grateful for. Profit. Good. Thankful. Strengths. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > マサトク Japanese Boy Names Variations.