Sony fell 3.89 percent to 11,120 yen. Tokyo Electron, the world's third-largest producer of tools to produce semiconductors, fell 4.70 percent to 43,550 yen.
The 106.6 trillion yen ($1.03 trillion) annual budget also got a boost from record military and welfare outlays. It marked a 4% rise from this year's initial level, rising for nine years in a row, with new debt making up more than a third of revenue.