The dollar rose to its highest in 4 1/2 years versus the yen Friday after the Bank of Japan governor hinted that an interest rate hike may come later than July. The U.S. dollar rose to 123.37 Friday midafternoon, the highest since December 2002, and up from 123.12 yen late Thursday in New York. The Japanese central bank decided to keep a benchmark interest rate unchanged at 0.5 percent after a two-day policy meeting. Against other Asian currencies, the dollar was mixed. It rose 0.92 percent against the Indian rupee to 40.980, and fell 0.17 percent against the Indonesian rupiah to 9055.