(million yen)
FY2020 FY2021 FY2022 FY2023 FY2024
Amount Amount Amount Amount Amount
Construction Machinery Filters Business¹² 11,979 16,244 15,945 15,382 17,489
Air Filters Business 2,607 2,577 2,659 2,642 2,615
Total Sales Revenue 14,587 18,821 18,605 18,024 20,104

¹ The Construction Machinery Filters Business includes construction machinery filters, industrial filters, and process filters. 
² The Healthcare Business is included in the Construction Machinery Filters Business, taking into account its impact on the Company’s performance. 

(million yen)
FY2020 FY2021 FY2022 FY2023 FY2024
Amount Amount Amount Amount Amount
Construction Machinery Filters – Line parts 4,178 5,633 5,911 5,731 5,599
Construction Machinery Filters – Service parts 5,534 8,536 8,417 8,276 10,481
Industrial Filters¹ 1,480 1,174 749 648 708
Process Filters 786 900 867 725 699
Air Filters 2,607 2,577 2,659 2,642 2,615
Total Sales Revenue 14,587 18,821 18,605 18,024 20,104

¹ The Healthcare Business is included in the Construction Machinery Filters Business, taking into account its impact on the Company’s performance. 

(million yen)
FY2020 FY2021 FY2022 FY2023 FY2024
Amount Amount Amount Amount Amount
Japan 6,029 7,951 7,980 6,990 6,900
North America 1,915 2,939 3,150 3,249 4,590
China 1,552 1,711 1,380 1,218 1,246
Asia 1,235 1,884 1,698 2,051 2,670
Europe 1,243 1,755 1,729 1,869 2,073
Others (Middle East, etc.) 3 2 6 3 7
Air Filters (Japan) 2,607 2,577 2,659 2,642 2,615
Total Sales Revenue 14,587 18,821 18,605 18,024 20,104