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.
Kakao T Kakao T Kakao T (formerly KakaoTaxi) is a Korean transportation service app launched by Kakao Mobility, a subsidiary of Kakao in 2017. The service provides taxi-hailing, designated driver booking, nearby parking space searching, and real-time traffic information service. The service was launched originally as Kakao Taxi, a taxi-calling service app launched on March 31, 2015 that connects users who needs a ride to taxi drivers. In 2017, Kakao rebranded the platform as Kakao T, where "T" stands for "transportation", merging their key transportation services into one mobile app. The service was made available in Japan in May 2017 thanks to