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

The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

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.