On 21 December 2018, Kato was announced at Thespakusatsu Gunma. He scored on his league debut against SC Sagamihara on 17 March 2019, scoring in the 86th and 90th+1st minute.
On 24 June 2024, Kato was announced at FC Imabari. He made his league debut against Zweigen Kanazawa on 14 July 2024. Kato scored his first league goal against FC Osaka on 17 August 2024, scoring in the 56th minute.