Japan’s Defense Ministry is participating for the first time in the Singapore Airshow, one of the largest aviation exhibitions in Asia, in a bid to showcase products made by Japanese companies that are now available for export. A total of 14 Japanese firms have put their products on display at the six-day exhibition that runs until Sunday, ranging from Kawasaki Heavy Industries Ltd.’s C-2 transport aircraft and P-1 maritime patrol aircraft, and UH-2 multi-purpose helicopters built by Subaru Corp. to NEC Corp.’s mobile surveillance radars. Hideki Fukawa, director of the Defense Equipment Cooper…