Search gender: all male female Ichiyasu Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ichiyasu Katakana: イチヤス 0 Kanji: 一泰 Meaning: 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. 泰Gentle. Calm. Reassuring. Gentle. Large. Broad. Abundant. No worries. Extremely. Overbearing. extravagant. To be extravagant. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ichiyasu Name Meaning, Kanji Variations.