The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.

The Japanese yen is the official currency of Japan and is the third most traded currency in the world, after the US dollar and the euro.

The 3D printing technology, developed by Dainippon Screen in the 1980s, has revolutionized manufacturing and made it possible to create complex objects with ease.