Hattori moved to the U.S. at age 32 in 1995. He started in Indy Lights, now known as INDY NXT by Firestone. He won races at Homestead-Miami Speedway and World Wide Technology Raceway, starting in the top three on both occasions for Indy Regency Racing.

Hattori made his IndyCar Series debut in 1999, making eight Champ Car World Series starts for Bettenhausen Motorsports. In 2000, he moved to the Indy Racing League, scoring four top-10 finishes in five races for Treadway Racing.

Hattori’s INDYCAR SERIES career featured rides with five teams using five different engine badging.

“Hattori also had a significant career in NASCAR, driving and owning entries. He made 10 Truck Series starts before turning his attention to leading Hattori Racing Enterprises. The team fielded Johnny Sauter, Alex Bowman and Ross Chastain, among other notable drivers. Brett Moffitt won the 2018 Truck Series championship for the team,” IMS said.