Japan's industrial production fell a seasonally adjusted 1 percent in January from December in reaction to a pickup in the preceding month, the Ministry of Economy, Trade and Industry said Thursday.

The index of output at mines and factories registered 91.5 against the 1995 base of 100, the ministry said in a preliminary report.

The index of industrial shipments fell 0.6 percent to 94.3, also in reaction to a rise in December, and the index of industrial inventories dipped 1.1 percent to 93.1, down for the fifth straight month to the lowest level under the 1995 base, it said.