Seiko NSK plans to invest 30 billion yen over five years to increase production of bearings for electric vehicles, including at its Ishibe Plant in Konan City, Shiga Prefecture. The plan was reported on 29 December 2022.

Toshiba Materials announced a new facility for silicon nitride balls on its Yokohama headquarters site, budgeted at over 5 billion yen (about US$38 million), raising capacity 50% versus fiscal 2021. Production is expected to start in November 2023.

Toyota Industries is expanding capacity for car air-conditioning electric compressors, including roughly doubling its Higashiura plant in Aichi with a new processing line starting October 2022. The company targets a global production system of 10 million units.

NHK Spring is building a new motor core production building at its Atsugi plant in Kanagawa, investing about ¥5 billion. Capacity at the plant will roughly triple after the building opens, with construction starting November 2022 and completion in October 2023.