Japanese companies often have long and convoluted histories (Nintendo was founded in the 19th century as a maker of playing cards and at various times sold food

Japanese companies often have long and convoluted histories (Nintendo was founded in the 19th century as a maker of playing cards and at various times sold food and was a taxi company). Nissan was founded in 1928 as an offshoot of a mining company and until the Japanese real estate crash of the early 1990s was primarily a real estate company which also made cars. But yes, the river name is still probably older than the company.