Nihon Kotsu as the "Prince of Taxis." The company was founded as a sole proprietorship in 1928 and reorganized as a stock company in December 1945. It began as a limousine operator and expanded to taxi service in 1940. NK operates the most popular taxi hailing mobile application in Japan, Japan Taxi. Toyota invested 500 million yen in the app in 2017, followed by a second 7.5 billion investment in 2018. Tokyo Musen, a major rival of Nihon Kotsu in the Tokyo area, joined the app later that year in an effort to counterbalance foreign rivals such as Uber and Didi Chuxing.
Crazy Taxi (video game) the Graphic State developed "" in 2003, the only title for the Game Boy Advance. "", a compilation of "Crazy Taxi" and "Crazy Taxi 2" was released in 2007 for the PlayStation Portable. A mobile-exclusive entry to the series, titled "", was released on the iOS and Google Play app stores in 2014. "Crazy Taxi" and its sequels have also prompted several games which clone its core gameplay. "" was the first of these titles, released in 2001. In 2003, Sega filed a lawsuit against Fox Interactive, Electronic Arts, and Radical Entertainment. Sega claimed that the game was a patent