Nissan Z-car preceded it, the first-gen 300ZX was thought by enthusiasts as more GT than true sports car. It had improved handling, acceleration, and refinement than any previous model Z-car. Nissan made various changes and claimed improvements to the Z31 model through its entire production. In 1983 Nissan first offered the 300ZX in Japan. It was introduced in the US one year later. All US-market 1984 model Nissan vehicles carried both Datsun and Nissan nameplates. Along with the arrival of their new flagship sports coupe, Nissan launched an aggressive marketing campaign to promote the brand name change from Datsun to Nissan. The
Nissan of ventures outside the automotive industry, most notably the Tu–Ka mobile phone service (est. 1994), which was sold to DDI and Japan Telecom (both now merged into KDDI) in 1999. Nissan offers a subscription-based telematics service in select vehicles to drivers in Japan, called CarWings. Nissan also owns Nissan Marine, a joint venture with Tohatsu Corp that produces motors for smaller boats and other maritime equipment. Nissan also built the M-V orbital rocket. Nismo is the motorsports division of Nissan, founded in 1984. Nismo cars have participated in the All Japan Sports Prototype Championship, Super GT, IMSA GT Championship, World