Tokyo stocks opened higher Wednesday following solid U.S. consumer confidence data for October helping U.S. shares' advance, while robust earnings from domestic firms provided another impetus to buy.

As of 9:15 a.m., the 225-issue Nikkei Stock Average gained 210.38 points, or 0.96 percent, from Tuesday to 22,221.99.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, added 10.31 points, or 0.58 percent, to 1,776.27.

Oil and coal product, electric appliance and air transportation-linked stocks comprised those that gained the most in the opening minutes after the morning bell.