The company merged with Meitetsu in 1943. The voltage was raised to 1,500 V DC in 1965, and the Inuyama to Shinkani section was double-tracked between 1967 and 1970.
The company joined forces with Meitetsu in 1943. The voltage was increased to 1,500 V DC in 1965, and the Inuyama to Shinkani section was duplicated with tracks between 1967 and 1970.