The Nikkei index closed 0.41% higher at 22,843.96 points, led by the industrial sector, and the non-essential consumer goods sector gains, and the broader Topix index rose 1.23%.
The decline of the yen leads to an increase in the profits of exporters when they are transferred from abroad, and the yen, which fell for a short period to its lowest level in about 3 weeks on Wednesday, last traded at 106.74 against the dollar.
The largest percentage gainers on the index were Ibarra Industries, which rose by 11.4%, followed by NSK Precision Parts, which rose 7.06%, and IHI Industrial Equipment, which increased 5.95%.
SoftBank Group shares fell 2.66% as investors sold the stock to take profits after the group announced its after-hours profits in the market on Tuesday.
188 stocks advanced on the Nikkei, compared to 33 stocks fell.