TOKYO--(BUSINESS WIRE)--HOYA Corporation (TOKYO: 7741) today announced financial results for the fourth quarter and full-year ended March 31, 2015. During the quarter, revenues increased by 10.6% to 127,440 million yen compared with the same period last year. Pre-tax profit for the quarter was 25,309 million yen, while profit for this quarter was 18,513 million yen, both of which marked gains of 27.2% and 45.1%, respectively. In the Information Technology segment of the HOYA Group, sales of sem