For the 24 hours to 23:00 GMT, USD weakened 0.43% against the JPY and closed at 80.33.
Yen strengthened against greenback on renewed speculation that Europe’s debt crisis would worsen.
In the Asian session at 3:00GMT, the pair is trading lower from the New York close, by 0.04%, at 80.30.
The first short term resistance is at 80.70, followed by 81.09. The pair is expected to find support at 80.02 and the subsequent support level at 79.73.
The currency pair is trading just below its 20 Hr and 50 Hr moving averages.