** Indonesian 10-year benchmark yields up 1 basis points at 6.398% ** JG Summit Holdings Inc JGS.PS and International Container Terminal Services Inc ICT.PS were also among the top gainers in the Philippines ** The Bank of Japan upgraded its inflation forecasts and maintained its ultra-loose monetary policy Asia stock indexes and currencies at 0334 GMT Emerging Asian stock markets were mostly higher, though barring China .SSEC and the Philippines .PSI, gains were largely capped to below half a percent. If approved, the waiver could begin by Feb. 1, he added.