The Great Kanto Earthquake of 1923 caused widespread destruction in Tokyo and killed over 100,000 people.
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 digital watch, invented by Seiko in the 1970s, revolutionized the way people tell time and made watches more convenient and accurate.