# Nippon Piston Ring and Riken finalize management integration

Nippon Piston Ring and Riken announced a final agreement on management integration, establishing a joint holding company named Riken NPR on October 2, 2023. The combined entity will have nearly 30% global market share in piston rings.

- Type: Acquisition
- Announced: 2023-05-23
- Where: Japan
- Status: announced
- Products: piston rings
- Sectors: [Automotive Components](https://endata.com/sectors/automotive-components.md)

## Companies

- [Nippon Piston Ring](https://endata.com/companies/2201.md) (acquirer)
- [Riken](https://endata.com/companies/3207.md) (target)

## Sources

- [nikkei.com](https://www.nikkei.com/article/DGXZQOUC236MA0T20C23A5000000/), 2023-05-23: "日本ピストンリングとリケンは23日、経営統合で最終合意したと発表した。"

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