Kitakyushu is a major industrial city in southwestern Japan, located on the island of Kyushu, and is known for its steel and automotive industries.

The compact disc (CD) was co-invented by Philips and Sony in the 1980s and has since replaced vinyl records as the primary means of music storage.

The electric toilet seat, which can be heated and has various cleaning and drying functions, has become a popular feature in Japanese households.