Sure, Japan has apologized to all of the above. Kishi Nobusuke started the ball rolling in the mid-50s. The issue isn't that Japan hasn't apologized so much as Japanese apologies tend to come off as being half-arsed, grudging and light on the apologizing part. Having said that, most countries are happy with the apologies they've gotten e.g. Australia, Indonesia, Burma, Thailand and Malaysia. The countries that still aren't happy mostly the PRC (but not ROC) and both Korea's tend to be those that have the most baggage for various reasons. Indonesia is an outlier in the sense that it suffered a hell of a lot during the war on a level comparable with say China but which despite all that has accepted Japanese reparations and apologies made in the past and now seldom gives much thought to the issue. I suspect that has something to do with Indonesian nationalists having generally positive views of Japan, Indonesia being distant from Japan and not having territorial issues with it and Indonesia being a Western ally during the Cold War. The ROC is another interesting example. The ROC has tended to have quite positive views of Japan going back to the fact that the Taiwanese experience of Japan was rather different to the mainland. A lot of older Taiwanese spoke Japanese, owing to their schooling which was conducted in Japanese, and were exposed to Japanese culture at an early age. Lee Teng-hui who was President of the Republic of China is the standout example. He speaks fluent Japanese, attended Kyoto Imperial University, had a brother who was killed fighting for the IJN and served himself in the IJA where he rose to officer rank. Taiwan as an American ally also had ample reason to become friendly with a defanged, pro-American Japan. A lot of Taiwanese industrial equipment and technical expertise in the early days came from Japan.