The computer mouse, invented by Ken Kutaragi in the 1980s, has become a standard input device for personal computers worldwide.

Naruto, created by Masashi Kishimoto in 1999, is a popular manga and anime series that follows the adventures of a young ninja as he strives to become the strongest ninja in his village.

Kendo, a martial art that uses bamboo swords and protective armor, is a popular sport in Japan and is often taught in schools.