Office machine maker Ricoh Co said Thursday its group net profit for April to December last year fell 6.3% from a year earlier to 58 billion on 1,319.8 billion yen in sales, up 0.8%. Sales in Japan for the first nine months of the 2004 business year rose 5.9% to 700.4 billion yen, while overseas sales fell 4.3% to 619.3 billion yen, it said.