Public prosecutors on Wednesday filed summary indictments against Mitsubishi Motors Corp. and its four top executives over the systematic coverup in 1999 of customer complaints about defective vehicles.

The Tokyo District Public Prosecutors Office filed the indictments against MMC as a corporate body and individually against its four top executives, including former vice presidents Hikoichi Motoyama, 64, and Satoru Toyama, 62, prosecutors said.

They are charged with violating the Road Trucking Vehicle Law by making false reports to the former Transport Ministry, which has since amalgamated into the Land, Infrastructure and Transport Ministry.