[2] The monorail was built by Mitsubishi Heavy Industries, and the line opened March 7, 1970 between Ōfuna and Nishi-Kamakura.
In May 2015, most shares of this monorail line and company were transferred to Michinori Holdings from Mitsubishi Group.
[9] The 5000 series is equipped with a VVVF control device and regenerative brake which allows for smooth acceleration and deceleration.
The VVVF inverter control reduces the need for inspection and maintenance because unlike a DC motor, there is no commutator brush or contact switch.
[10] Services were initially operated using a fleet of six two-car 300 series trainsets built by Mitsubishi Heavy Industries.