# Aisan Industry to fully acquire carbon parts maker Trise for motor components

Aisan Industry Co., Ltd. announced on November 17, 2025, that it will acquire all shares of Trise, the world's No.1 manufacturer of carbon parts for automotive motors, making it a wholly owned subsidiary.

- Type: Acquisition
- Announced: 2025-11-17
- Status: announced
- Products: carbon parts for automotive motors, motor brushes
- Sectors: [Automotive Components](https://endata.com/sectors/automotive-components.md)

## Companies

- [Aisan Industry](https://endata.com/companies/2165.md) (acquirer)
- [Trise](https://endata.com/companies/88528.md) (target)

## Sources

- [response.jp](https://response.jp/article/2025/11/19/403654.html), 2025-11-18: "愛三工業は11月17日、車載用モーター電刷子等のカーボン部品で世界No.1シェアを持つトライスの全株式を取得し、完全子会社化すると発表した。"

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.