Mitsumi business segment quarterly trends.
Net sales decreased 21.2% quarter on quarter to total 62.4 billion yen. While sales of optical devices increased, sales decreased for other products, primarily mechanical components due to the novel coronavirus impact.
Operating income totaled 4.2 billion yen while the operating margin reached 6.7%. Operating income decreased 42.5% and the operating margin declined 2.5 percentage points quarter on quarter. Looking at the results by product, we see that profits were up for analog semiconductors but down for other products, mainly mechanical components.