Search gender: all male female シゲマス Japanese Boy Names Variations. 1 names found. gender: all male female Name: shigemasu Katakana: シゲマス 0 Kanji: 重益 Meaning: 重Heavy. Extremely heavy. Cherish. Respect. Dignified. They overlap. To repeat. 益Increase. Something that is beneficial to people and the world. Something that is useful. Profit. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > シゲマス Japanese Boy Names Variations.