Kaido

Started as a one-person business in Kyoto in 1959, it now has its head office and plant in Kusatsu, Shiga, a second plant in Otsu and a new plant in Nagasaki that opened in 2025. Its range covers winders for lithium-ion and lithium-polymer cells, all-solid-state and lithium metal batteries, electrolytic and film capacitors, and electric double-layer and lithium-ion capacitors, plus equipment to inspect, transfer and tray-load wound elements. It says it has delivered more than 7,000 machines to over 200 customers.

The 2025 Battery Report lists Kaido among Japanese cell manufacturing equipment makers, for winding.