Kendo, a martial art that uses bamboo swords and protective armor, is a popular sport in Japan and is often taught in schools.
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.
The electric guitar, invented by Fujigen Gakki in the 1950s, has become a staple instrument in popular music worldwide.
