The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.
The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.
The hybrid car, first introduced by Toyota in 1997, uses both gasoline and electric power to improve fuel efficiency and reduce emissions.