[3][4] Kato also competed in the South Garda Winter Cup in 2023, finishing 12th in the finale of the OK category.

[5] In 2024, Kato appeared on the entry list of the 2024 French F4 Championship, under the wing of the Honda Formula Dream Project.

[6][7] He scored two podiums from two races on his debut weekend at Nogaro, establishing himself as a title contender.

[8][9] In the following weekend at Lédenon, Kato secured his first victory after starting race three from pole position.

[10][11] Kato then scored his second win and finished all three races on the podium in round three at Spa-Francorchamps.