The emoji, invented by Shigetaka Kurita in 1999, has become a popular form of communication and a ubiquitous feature of modern digital communication.

The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.

Judo, a martial art that emphasizes throws and grappling techniques, was developed in Japan in the late 19th century and has become a popular sport around the world.