NPR-RIKEN to close Michigan plant in September 2026 NPR-RIKEN Corporation (NPR-RIKEN) announced a plan to close the Michigan Manufacturing Plant of its US group company, NPR of America, Inc.(NPR of America), in September 2026. The manufacturing plant produces valve seats, but the company determined that closing this plant and transferring its production functions to other sites was necessary as part of its efforts to improve productivity. The pla...

News  Updated at: 2025/07/15

iLabo and Nippon Piston Ring start testing medium-duty truck equipped with hydrogen engine iLabo Co. Ltd. (iLabo, Chuo Ward, Tokyo) announced that it started a proving test for actual cargo transportation using a medium-duty truck (gross weight of 8 tons or less) equipped with a hydrogen engine. For three months from November, the company will test the vehicle's output, mileage, safety, durability, and other features. One of the project partners,...

News  Updated at: 2023/11/21

NPR-RIKEN to increase net sales to JPY 200 billion in 2030 NPR-RIKEN Corporation (NPR-RIKEN) aims to increase net sales by JPY 18 billion to JPY 180 billion in three years, from 2024 to 2026 and attain an ordinary income margin of 8% in 2026. The company intends to increase net sales to JPY 200 billion in 2030 by streamlining its operations including the piston ring business and creating new core businesses at the same time. NPR-RIKEN will work o...

News  Updated at: 2023/10/05

Riken and NPR establish NPR-RIKEN Corporation wholly owning parent company Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have established a wholly owning parent company of both companies, NPR-RIKEN Corporation, through a joint share transfer. The new parent company is capitalized at JPY 5 billion. It will conduct management and related operations of its subsidiaries and group companies. (From a press release...

News  Updated at: 2023/10/04

Riken and NPR conclude agreement on management integration, develop share transfer plan Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have concluded an agreement for integration of management and developed a plan for share transfer in relation to the planned business integration. The two companies will establish a joint shareholding company, NPR-Riken Corporation (NPR-Riken), by transferring their shares. Fo...

News  Updated at: 2023/05/30

Japan’s Fair Trade Commission completes assessment on business integration of Riken and Nippon Piston Ring Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) announced by May 9 that they have been notified by Japan’s Fair Trade Commission that an assessment of the two companies’ business consolidation has been completed and that “a cease and desist order would not be issued”. Riken and Nippon Piston Ring wil...

News  Updated at: 2023/05/10

Riken and Nippon Piston Ring change consolidation schedule to “TBD” On November 28, Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have changed the schedule for consolidation of their business through a holding company structure to “TBD”. The reason for this is because a review of the business combination by the Japan Fair Trade Commission (JFTC) is under way. As soon as the business combination is ap...

News  Updated at: 2022/11/30

ic fuels called e-fuel. It will expand the system for evaluating engines that use next-generation fuels toward a decarbonized society responding to a decline in the operating rate of evaluation facilities for engines that use gasoline and light oil triggered by the shift to electric vehicles (EVs). Nippon Piston Ring Co., Ltd. (Nippon Piston Ring), which has agreed to a management integration in April 2023, also plans to partner in the hydrogen e...

News  Updated at: 2022/09/09

Nippon Piston Ring participates in hydrogen engine truck development project Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) announced that it will participate in a project to develop hydrogen engine truck. The project is initiated by i Labo Co., Ltd. (i Labo) in which Nippon Piston Ring has been participating since 2021. On this occasion, i Labo will operate equipment to evaluate the performance of the engine that adopts Nippon Piston Ring’s...

News  Updated at: 2022/08/25

Riken and Nippon Piston Ring agree on business integration Riken Corporation (Riken), a major piston ring maker, and Nippon Piston Ring Co., Ltd. (Nippon Piston Ring), also a manufacturer of piston rings, valve seats, and camshafts, announced on July 27 that they have reached a basic agreement on business integration. Riken and Nippon Piston Ring plan to integrate their business by way of a holding company structure in April 2023, and the name of...

News  Updated at: 2022/07/28

Fine Sinter develops cobalt-less valve seat material; aiming to switch 60% of its material by FY 2023 Fine-Sinter Co., Ltd. (Fine Sinter) has developed a valve seat material that does not use the rare metal cobalt. The company plans to start volume production soon. About 60% of the total valve seats will be replaced with new materials by FY 2023. Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) has also finished developing valve seats that do no...

News  Updated at: 2021/11/30

April-September engine parts makers see increased revenue and profits Japanese engine parts manufacturers have been making a financial recovery. Three piston ring companies and Nittan Valve Co., Ltd. (Nittan Valve) achieved an increase in revenue and profits in the period April-September 2021 (H1 FY 2021). Their sales exhibited high growth of about 30%. Compared to the same period a year ago, which was greatly affected by the new coronavirus (COV...

News  Updated at: 2021/11/22

Nippon Piston Ring develops cobalt-free valve seat On August 20, Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) announced that it has developed a valve seat that does not contain cobalt, a rare metal material. By revising the powder composition, the company has completed the development of a product that provides high abrasion resistance despite being cobalt free. Previously, Nippon Piston Ring’s valve seats have contained cobalt to improve ...

News  Updated at: 2021/08/23

Sales in engine parts suppliers’ FY 2020 financial results decline Parts suppliers that primarily handle engine parts are facing increasingly severe business management. Owing to suspended or reduced vehicle production caused by the coronavirus (COVID-19) pandemic, four major Japanese engine parts suppliers, TPR Co., Ltd., Riken Corporation, Nippon Piston Ring Co., Ltd., and Nittan Valve Co., Ltd., announced poor financial results for the fisca...

News  Updated at: 2021/05/25

Nippon Piston Ring announces eighth mid-term management plan Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) announced the eighth mid-term management plan for the period through fiscal year 2023 (ending in March 2024). The company will concentrate on the non-automotive-engine field to build new businesses while developing technologies for advanced next-generation engines in the existing automotive engine field. It will aim to achieve sales of m...

News  Updated at: 2021/05/20

Nippon Piston Ring to raise non-engine business sales ratio to 40% by 2030 Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) aims to triple the ratio of its non-engine business sales of its overall sales to 40% by 2030. The company plans to increase annual sales to JPY 5 billion in each new business fields focusing on motors, medical equipment parts and metal injection molding parts respectively. Nippon Piston Ring aims to expand new businesses t...

News  Updated at: 2021/03/24

Nippon Piston Ring to merge with two subsidiaries on April 1 On January 28, Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) announced that it would merge its wholly-owned subsidiary, Nippon Ring Service Co., Ltd., and NPR Business Service Co., Ltd. on April 1. It aims to strengthen its sales system by consolidating and streamlining its management resources. Nippon Ring Service sells products, such as automobiles, engine parts for vehicles and s...

News  Updated at: 2021/02/02

on January 22, CASE (connected, autonomous, shared, and electric)-related exhibitions had a strong presence. Macnica, Inc. (Kita Ward, Yokohama City) exhibited France-based Navya’s EVO autonomous bus. Cepton Technologies Inc. exhibited proximity LiDARs priced at less than USD 100. Murata Manufacturing Co., Ltd. displayed a “raindrop removal device” that protects an automotive camera lens under development. Cornes Technologies Ltd. (Minato W...

News  Updated at: 2021/02/01

Nippon Piston Ring to exhibit axial-gap motors at Automotive World 2021 Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) announced that it will exhibit its axial-gap in-wheel motor, AirGap axial-gap motor, compact axial-gap motor and pressed-powder cores at the Automotive World 2021 to be held from January 20,2021. AirGap axial-gap motor is an axial-gap type with a variable AirGap and a wide range of power output, which will be exhibited for the...

News  Updated at: 2020/12/22

Nippon Piston Ring aiming to double the ratio of new product business sales Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) is aiming to achieve a twofold increase in the ratio of sales from its new product business (other than automotive engines) of its total sales to 30%. The company will utilize its core technology achieved from internal combustion engines to develop technology for industrial machine slim motors and new medical material, and...

News  Updated at: 2020/09/10