The airbag, which was co-invented by Yasuzaburo Kobori and Allen K. Breed in the 1980s, has become a standard safety feature in automobiles worldwide.

The Japanese giant hornet is the world's largest hornet and is known for its aggressive behavior and painful sting.

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