Where this comes from. MariCar rented go-karts for Tokyo's public streets and lent riders costumes of characters such as Mario. Nintendo sued in February 2017. On 29 January 2020 Japan's Intellectual Property High Court ruled the "MariCar" name and the costume lending were unfair competition and ordered 50 million yen, the full amount Nintendo claimed. Source: Nintendo's release (Japanese).
This page is a starting point, not legal advice. These databases show filed and registered marks; they don't show every business using a name.