Not sure it's propaganda - i think that on HN at least, it's just the one company like this that everyone has heard of. Could you name these companies in Japan, so we know a few more?
Shin-etsu chemical. You might have heard of them before, they're one of the largest chemical manufacturers in the world. Showa Denko KK, Kanto Denko Kogyo. There are more of course just some examples.
