TPR Co., Ltd.

Company Profile



Shin-Marunouchi Center Building,10F,1-6-2, Marunouchi Chiyoda-ku, Tokyo 100-0005 Japan

Business Overview

-Manufactures and sells piston rings, cylinder liners, valve sheets, automotive exterior parts, automotive goods, and devices for testing and maintaining automobiles

-The past few years, continued launching business operations in new sectors other than non-metal materials such as rubber and plastics. In April 2012, turned Faltec, a plastic exterior parts manufacture, into a subsidiary.


-Moved to the Prime Market on the Tokyo Stock Exchange (As of Mar. 31, 2023)
Name or Company Name Investment Ratio (%)
The Master Trust Bank of Japan, Ltd. (Trust Account) 7.54
Meiji Yasuda Life Insurance Company 7.05
Sompo Japan Insurance Inc. 6.75
Custody Bank of Japan, Ltd. (Trust Account) 5.26
Mizuho Bank, Ltd. 4.47
Hulic Company, Limited 3.62
Tokyo Tatemono Co., Ltd. 2.75
Customer share holding commission 2.48
Mizuho Trust & Banking Co., Ltd. 2.25
Custody Bank of Japan, Ltd. (Sumitomo Mitsui Trust Bank Re-entrusted Portion/Hino Motors Retirement Beneficiary Trust Account) 2.19
Total 44.40


Powertrain Parts
-Piston rings

  • Piston rings for gasoline engines
  • Piston rings for diesel engines

-Cylinder liners

  • Cast-in cylinder liners
  • Thin wall dry liners
  • Wet liners

-Valve seats

  • Valve seats for gasoline engines
  • Valve seats for diesel engines
  • Valve seats for gas engines
  • Valve seats for alcohol fuel engines

-Valve guides

-Seal rings

  • AT seal rings
  • Turbo seal rings

-Carbon scraper rings

Suspension Parts

-Aluminum products

  • Aluminum wheels

-Shock absorber parts

  • Strut bearings
  • Base valve cases

-Aluminum brake drums

Plastic Exterior Parts
-Radiator grilles
-Millimeter wave radar covers

Electric & Electrical Components
-Radiator grille with Illumination
-Telematics Communication Unit (TCU)

-Roof rails


Dec. 1939 Established in Osaka to produce piston rings mainly for aircraft and ships.
Oct. 1961 Listed on the Second Section of the Tokyo Stock Exchange.
Oct. 1989 Capitalization increased to 2,950 million yen.
Apr. 1990 Established TP Corporation of America.
Apr. 1991 Established Teikoku Europe GmbH
Mar. 1994 Capitalization increased to 3,380 million yen
June, 1996 Established, jointly with T&N and Anqing Piston Ring Factory, Anqing TP Goetze Pistonring Co., Ltd. in China to produce and sell piston rings.
May, 1997 Established, jointly with T&N and GIL, Goetze TP (India) Ltd. in India to produce and sell piston rings.
Aug. 1999 Established, jointly with Federal Mogul, Federal Mogul TP Liners in the United States to produce and sell cylinder liners.
Oct. 1999 Listed on the First Section of the Tokyo Stock Exchange.
Jan. 2000 Established Anqing TP Power Metallurgy Co., Ltd., jointly with Anqing Piston Ring Factory and Anqing TP Goetze Piston Ring Co., Ltd., in China to produce and sell sintered valve seats.
May, 2000 Established Federal Mogul TP Sunderland jointly with Federal Mogul, in the United Kingdom to produce piston rings.
Nov. 2000 Agreed with Nippon Piston Ring Co., Ltd. to mutually supply cylinder liner materials and to establish a joint company, NT Piston Ring Indonesia, to produce piston rings in Indonesia
Apr. 2001 Increased the production of cylinder liners for aluminum engines both in Japan and the United States. Mass production started in North America, increasing total North American and Japanese production of cylinder liners for aluminum engines more than twofold to 2.1 million units per month.
July, 2001 Started producing cylinder liners in China by installing production facilities in the joint plant, an 8-million-yen investment. Mass production, entirely for local sales, will start in early 2002.
Feb. 2002 Established TP Altech for the manufacture and sales of aluminum products.
Mar. 2002 While making an agreement to establish Federal Mogul TP Europe for the manufacture and sales of piston rings in Germany, as a joint venture between Federal Mogul, dissolved joint operations with Federal Mogul TP Sunderland.
May, 2002 Formed a joint-venture piston plant in China established between the Company, Art Metal Mfg. Co. Ltd of Japan, which is a piston ring manufacturer, and a local company. The name of the joint venture is Anquing Art TP Pistons Co., Ltd.
Oct. 2002 Established a joint venture called Y&T Power Tech., Inc.. The joint venture is a production facility for cylinder liners in Korea, formed with Yoo Sung Enterprise of Korea, an engine component supplier.
Oct. 2003 Established a sales company for automotive engine components such as piston rings in China. The new company is called TP Arn International Trading (Shanghai) Co., Ltd., jointly with Anqing Huanxin Group Co., Ltd.
Nov. 2003 Established a manufacturing and sales company for cylinder liners in Turkey. The company is called Federal-Mogul TP Liners Europe Limited Sirketi, which was jointly established with Federal Mogul and a local company, Dereli Holding.
June, 2004 Certified ISO/TS16949:2002.
June, 2004 Relocated the head office to Chiyoda Ward, Tokyo
July, 2004 Established a manufacturing and sales company for cylinder liners in China, Anqing TP Goetze Liner Co., Ltd., as a joint venture with Anqing TP Goetze Piston Ring Co., Ltd. and local ventures.
Sep. 2004 Decided to adopt the three letters of "TPR" as its corporate identity.
Established a new technical center in its Nagano factory.
Jan. 2005 Together with local capital enterprises, established Anqing ATGE Engineering Co., Ltd. a design, building and management company in China for machinery and equipment used to produce piston rings.
Feb. 2005 Established China United Piston Ring Co., Ltd. jointly with YooSung Enterprise of Korea and Anqing Huanxin Group. It manufactures and sells piston rings in China.
Feb. 2005 Established TPR Asian Sales (Thailand) Ltd., which sells the Group's products in the ASEAN region. It was established jointly with Manoyontchai and a local consulting company from Mizuho Group.
Aug. 2006 Established TPR Vietnam Co.,Ltd. It manufactures piston rings in Vietnam.
Sep. 2006 Established Dailian Bo Xin Te Gang Zhipin Co.,Ltd jointly with Dailian Ding Xin Te Gang Zhipin Co.,Ltd and Anqing Huanxin Group Co., Ltd. It processes, manufactures and sells special alloy materials in China.
Feb. 2008 Established PT. TPR Sales Indonesia for sale of piston rings in Indonesia.
Mar. 2008 Established TPR Autoparts Manufacturing India Pvt Ltd. for manufacturing and sale of cylinder liners in India.
Apr. 2011 Established TOC Capacitor as a joint-venture subsidiary with Okaya Electric Industries. The new company, which is located in Okaya, Nagano Prefecture, will conduct R&D activities.
May 2011 Established TPR Enpla, which manufactures and sell plastic products.
Oct. 2011 Adopted TRP as its new corporate name.
Dec. 2011 Established PT. TPR Indonesia, a piston manufacturing and sales company in Indonesia.
Dec. 2011 Established PT. Art Piston Indonesia, a manufacturing and sales joint venture with Art Metal Manufacturing.
Dec. 2011 Relocated its headquarters to Chiyoda-Ward, Tokyo.
Apr. 2012 Invested in Faltec, a manufacturer producing and selling plastic products.
May 2012 Established TPR Federal-Mogul Tennessee, Inc., a joint venture with Federal-Mogul to produce cylinder liners; in Tennessee, U.S.A.
Mar. 2013 (Faltec) Listed on the Second Section of the Tokyo Stock Exchange.
July 2013 Dissolution of piston ring manufacturing joint venture "P.T. NT Piston Ring Indonesia".
Mar. 2014 Established a joint venture Anqing TPR Engineering Plastic Co., Ltd. in Anhui, China to manufacture and sell composite plastics and engineering plastic products
Jul. 2014 Established TPR Industria de Pecas Automotivas do Brasil Ltda. in Sao Paulo, Brazil to manufacture and sell cylinder liners.
Nov. 2014 TOC Capacitor Co., Ltd., a subsidiary of the Company, announced that it will acquire the electric double-layer capacitor (EDLC) business from Nisshinbo Holdings Inc.
Dec. 2014 Faltec Co., Ltd. was listed on the first section of Tokyo Stock Exchange.
Dec. 2017 Turned rubber-products manufacturer Nobukawa Co., Ltd. into a wholly owned subsidiary.
Nov. 2019 Dissolved TOC Capacitor Co., Ltd.
Dec. 2021 Turned Osaka Seimitsu Kikai, which develops, manufactures, and sell equipment to measure precision gears, into a wholly owned subsidiary.
Mar. 2022 Established TPR ARN (Anhui) New Energy R&D Co., Ltd. in Anhui, China
Apr. 2022 Moved from the First Section of the Tokyo Stock Exchange to the Prime Market

Supplemental Information 1