ERJ staff report (RD) Tokyo -- Yokohama Rubber Co. Ltd. has reported sales for the fiscal year ended 31 March 2010 down by 9.8 percent to 466.4 billion yen (Euro 3953 million), compared to the same period last year. The Tokyo-based company also reported sales down 8.1 percent to 367.5 billion yen and down 15.9 percent to 98.8 billion yen in its Yokohama Tire Group and Multiple Business Group respectively, a 12 May company statement said. The company's tyre business did however report renewed growth in tyre sales in Japan in the fourth quarter: 1 Jan -- 31 March 2010. Operating income in unit more than doubled, rising 106.9 percent, to 20.5 billion yen. "The downturn in raw material costs and Yokohama's cost-cutting measures more than compensated for the decline in sales," the statement said.