Company Information

President’s Message

As a specialized piston manufacturer, we have spent over 80 years providing high-quality, high-performance pistons to ensure that automobile engines—the heart of every vehicle—deliver their maximum performance.
Today, the environment surrounding the automotive industry is undergoing dramatic change. Rapid electrification and significant CO₂ reduction initiatives are transforming the industry, requiring us to respond swiftly and decisively.
To overcome these substantial challenges, we are committed to creativity and bold initiative as our guiding principles, dedicating ourselves to advanced technological development and strengthening our manufacturing capabilities.
Going forward, we will continue striving to be a company that earns the trust of customers and remains their preferred choice, contributes to the global environment and local communities through its corporate activities, and fosters a workplace where employees feel both pride and fulfillment in their work.

We sincerely appreciate your continued guidance and support.

代表取締役社長 三城 伸五
Shingo Sanjo, President and Representative Director

Management Philosophy

AISIN Group Management Philosophy (Link to AISIN Corporation website)

Company Overview

Company NameArt Metal Mfg. Co., Ltd.
Founded1917
IncorporatedDec. 1945
Capital2,397 million yen
RepresentativeShingo Sanjo, President and Representative Director
ProductsPistons & piston pins (for various internal combustion engines)
Net Sales24,172 million yen (as of Mar. 2025)
Number of Employees736 (as of Mar. 31, 2025)

List of Executives

President and Representative DirectorShingo Sanjo
Board MemberHiroshi Ishii
Board MemberShingo Uozumi
Full-time AuditorTakayoshi Koike
AuditorHiroaki Nanahara

Domestic Group Companies

Tateshina Kinzoku Co., Ltd.3408 Ashida, Tateshina, Kitasaku-gun, Nagano 384-2305
TEL 0267-56-2228/FAX 0267-56-3321
URL:https://www.aisin.com/jp/group/tateshinametal/
Asama Piston Co., Ltd.238 Yawata, Saku, Nagano 384-2106
TEL 0267-58-2011/FAX 0267-58-2010
URL:http://asama-piston.co.jp
Tobu Metal Co., Ltd.1354 Kazawa, Tomi, Nagano 389-0514
TEL 0268-62-1752/FAX 0268-62-4362
URL:https://www.aisin.com/jp/group/tobu-metal/
Tatekita Co., Ltd.405 Yomogida, Saku, Nagano 384-2107
TEL 0267-58-2236/FAX 0267-58-3190
URL:https://www.tatekita.co.jp/
ASC Co., Ltd.2-2-43 Tokiwagi, Ueda, Nagano 386-0027
TEL 0268-23-3000/FAX 0268-23-3005

International Group Companies

ART-SERINA PISTON COMPANY LIMITED169 Soi Chalongkrung 31, Lamplatiew Ladkrabang Bangkok 10520, Thailand
TEL +66-2326-0384/FAX +66-2326-0387
Anqing Art Federal-Mogul Piston Co., Ltd.No. 317 Yingbin Avenue, Yixiu District, Anqing, Anhui, China
TEL +86-556-5345-939/FAX +86-556-5345-243
Binzhou Atai Art Powertrain Components Co., Ltd.No. 389 Zouhan Road, Binzhou, Shandong, China
TEL +86-543-3520027/FAX +86-543-3520666
PT.ART PISTON INDONESIASuryacipta City of Industry JL.Surya Kencana Kav I‐M1FGH Kutamekar, CiampelKarawang 41361 Jawa Barat, Indonesia
TEL +62-21 2961 4021/FAX +62-267-8637-560

AISIN Group

AISIN Group Companies (Link to AISIN Corporation website)

History

1917Established Art Shokai in Hongo, Tokyo by Ikuzo Sakakibara
1926Successfully developed a prototype piston made of light aluminum alloy
1932Established Art Light Alloy Foundry and commenced full-scale piston production
1941Separated part of the Sales Department to establish Art Piston Co., Ltd., a specialized sales entity
1943Evacuated the factory to Tokiwagi, Ueda, Nagano
1945Renamed to Art Metal Mfg. Co., Ltd.
1958Established Fuji Metal Co., Ltd. to enhance piston and pin business operations
1964Established Tateshina Kinzoku Co., Ltd.
1969Established Tobu Metal Co., Ltd.
1970Established Tatekita Metal Co., Ltd.
1974Established Yashima Metal Co., Ltd. (now the Yashima Plant of Tatekita Metal Co., Ltd.)
Established Art Serina Piston Co., Ltd. (ASP) as a joint venture in Thailand
1980Established the Yamada Plant in Yamada, Ueda
1986Established Asama Piston Co., Ltd. in Asashina, Kitasaku-gun
1987Merged with Fuji Metal Co., Ltd.
1989Established Art Service Center Co., Ltd. (now ASC Co., Ltd.)
1990Merged with Art Piston Co., Ltd.
1993Established the Shioda Plant and Research & Development Center in Shimonogo, Ueda (within the Ueda Research Park)
1996Built the No. 2 Plant at the Shioda Plant
1998Acquired ISO 9001 and VDA 6.1 certifications
1999Acquired QS-9000 certification
2001Acquired ISO 14001 certification
2002Established Anqing Art Federal-Mogul Piston Co., Ltd. (AAT) as a joint venture in China
2004Acquired ISO/TS 16949 certification
2005Established Binzhou Atai Art Powertrain Components Co., Ltd. (BYA) as a joint venture in China
Expanded the No. 2 Plant at the Shioda Plant
2011Established PT. Art Piston Indonesia (API) as a joint venture in Indonesia
Started the mid-to-long-term management plan “Challenge 15”
2012Started solar power generation
2016Started mid-term management plan “AI20” (ART Innovation 2020)
2017Integrated management with AISIN Seiki Co., Ltd. (now AISIN Corporation)
Marked 100 years since founding
2018Expanded No. 2 Plant for increased production capacity
Completed transfer of production lines from Nishio Engine Plant
2020Built a new welfare facility at the Headquarters
Won the Deming Prize, the world’s top honor for business management
2021Started mid-to-long-term management plan “AS30” (Art Strategy 2030)
2023Launched a coffee bean cultivation project using an advanced technological greenhouse
Started production of “Aluminum Finger Pegs” in partnership with Snow Peak, Inc.
2024Began production of heat sinks for semiconductor equipment

Major Customers

Domestic

  • Toyota Motor Corporation
  • Suzuki Motor Corporation
  • Yamaha Group
  • Daihatsu Motor Co., Ltd.
  • Mitsubishi Motors Corporation
  • Mitsubishi Fuso Truck and Bus Corporation
  • Kubota Corporation
  • Mazda Motor Corporation
  • Isuzu Motors Limited
  • Hino Motors, Ltd.
  • Toyota Industries Corporation
  • Kawasaki Motors, Ltd.
  • SUBARU Corporation
  • Global Component Technologies Corporation
  • Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
  • Tohatsu Marine Corporation
  • Perkins Japan

Overseas

  • Stellantis / PSA (France)
  • Mercury Marine (USA)
  • Triumph Motorcycles (UK)
  • MV Agusta (Italy)
  • Volkswagen (Germany)