History
- Top
- Company Information
- History
- Initial Period
- Development of Motorization
- Foundation of Fine Sinter
- Response to the Future
Mobility Society (CASE)
Initial Period
December 1947 (JPA)
Japan Powder Alloy Co., Ltd. established in Yamashina-ku, Kyoto City

December 1950(TSM)
Tokyo Sintered Metal Co., Ltd. established in Itabashi-ku, Tokyo.

May 1951 (JPA)
Following a train fire that occurred at Sakuragicho Station, the Japanese National Railways (JNR) fully adopted our contact strip, which proved less likely to break overhead wires.
Column
A JNR train fire occurred at Sakuragicho Station in Yokohama in April 1951.

October 1952 (JPA)
Yamashina Plant started operations
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- (JPA) Japan Powder Alloy Co., Ltd.
- (TSM)Tokyo Sintered Metal Co., Ltd.
The above are Fine Sinter’s predecessor companies.
Development of Motorization
February 1958(TSM)
Started production of shock absorber pistons and expanded into the automotive industry

November 1960(TSM)
Built the Kasugai Plant in Kasugai City, Aichi Prefecture
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June 1962(TSM)
Listed on the Second Section of the Tokyo Stock Exchange
October 1962(JPA)
Started delivery of complex-shaped, high-strength transmission hubs for the first time in Japan
December 1962(TSM)
Opened the Kawaguchi Plant (hydraulic unit plant) in Kawaguchi City, Saitama Prefecture

January 1964(TSM)
Opened the Head Office Branch in Ikebukuro, Toshima-ku, Tokyo
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December 1967(TSM)
Completed the Kawagoe Plant in Kawagoe City, Saitama Prefecture
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July 1968(JPA)
Started delivery of brake linings for Shinkansen bullet trains
February 1970(JPA)
Started delivery of sintered flywheels
May 1970
The Ushigome Yanagi-cho lead poisoning incident triggered a shift from leaded to unleaded gasoline for automobiles, making it necessary to improve the wear resistance of seat surfaces.
Column
The Ushigome Yanagi-cho lead poisoning incident triggered a shift from leaded to unleaded gasoline for automobiles, making it necessary to improve the wear resistance of seal portions in combustion chambers, and as a result, sintering of valve seats for automobile engines was required.

May 1971(TSM)
Started sales of sintered vents
September 1971(JPA)
Started delivery of valve seats for automobile engines
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October 1973 (JPA)
Completed the Shiga Plant in Aisho-cho, Shiga Prefecture
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June 1979 (TSM)
Started production of power steering oil pump rotors and cam rings
June 1980(JPA)
Installed a full-size tester for brake linings for Shinkansen bullet trains at Shiga Plant

August 1982 (JPA)
Started delivery of brake pads for motorcycles

November 1985(TSM)
Started production of plastic-wrapped pistons for shock absorbers
April 1987(TSM)
Relocated the hydraulic unit plant to Tokigawa-machi, Hiki-gun, Saitama Prefecture (Tamagawa Plant opened)

May 1990(TSM)
Tohoku Sintered Metal Co., Ltd. (current Fine Sinter Tohoku Co., Ltd.) established

November 1995(TSM)
Started mass production of ABS sensor parts
May 1996(TSM)(JPA)
Thai Fine Sinter Co., Ltd. established

February 1997(JPA)
Started mass production of sintered synchronizer rings
January 1998(TSM)
Started mass production of titanium valve billets
August 1999(TSM)
Started mass production of variable valve timing components
- (JPA)Japan Powder Alloy Co., Ltd.
- (TSM)Tokyo Sintered Metal Co., Ltd.
The above are Fine Sinter’s predecessor companies.
Foundation of Fine Sinter
January 2000(TSM)(JPA)
Toyota Motor Corporation, Tokyo Sintered Metals, and Japan Powder Alloy jointly established the Technology Development Center
January 2000(TSM)
Started development of EPS torque sensors, an assembly part made of composite soft magnetic material

April 2000(JPA)
Adoption of brake linings for the 700 Series Shinkansen decided
Started production of valve seats made of lead-free material
May 2000(TSM)
Started production of nozzle vanes for turbochargers using the MIM process
July 2001(TSM)(JPA)
American Fine Sinter Co., Ltd. established

August 2002(JPA)
Started mass production of ABS motor cores

September 2002(JPA)
Adoption of contact strips for the 500 Series Shinkansen decided
October 2002
Fine Sinter Co., Ltd. established
Made Sanshin Co., Ltd. (current Fine Sinter Sanshin Co., Ltd.) a subsidiary
Started mass production of Coil ASSY, a composite soft magnetic material part for EPS torque sensors

January 2003
Acquired ISO 14001 company-wide certification
May 2003
Started mass production of cams for reclining seats
September 2003
Started mass production of aluminum vanes for electronically controlled rotary steering dampers for motorcycles
October 2003
Started mass production of high-strength sintered sprockets by warm compaction method with die lubrication
January 2004
Received the Japan Powder Metallurgy Association (JPMA) Grand Prix award (for motor core for ABS)
Acquired ISO 9001 company-wide certification

June 2004
A joint venture, Precision Sintered Products (Wuxi) Co., Ltd. established

October 2006
Started production of carbon contact strips for conventional railway lines
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April 2007
Started mass production of sintered arms by green machining
January 2008
Built a new head office building in Kasugai City, Aichi Prefecture to consolidate the head office and technical divisions
April 2009
Acquired ISO/TS16949 certification
- (JPA)Japan Powder Alloy Co., Ltd.
- (TSM)Tokyo Sintered Metal Co., Ltd.
The above are Fine Sinter’s predecessor companies.
Response to the Future Mobility Society (CASE)
September 2012
A joint venture, PT. Fine Sinter Indonesia established in Indonesia

November 2013
Exhibited at the 43rd Tokyo Motor Show
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October 2015
Exhibited at the 44th Tokyo Motor Show

April 2017
Listed on the Second Section of the Nagoya Stock Exchange

October 2017
Exhibited at the 45th Tokyo Motor Show

June 2018
Started production of DAT carriers at American Fine Sinter (AFS)
October 2018
Started production of disconnect parts
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December 2018
Started production of reactor cores for inverter boosting mechanisms for hybrid vehicles
January 2019
Received the JPMA Grand Prix award (for disconnect parts)

February 2019
Received the 2019 Toyota Suppliers Convention Technology & Development Award (for disconnect parts)

October 2019
Exhibited at the 46th Tokyo Motor Show

November 2019
Cumulative production of motor pumps reached 7 million units
Cumulative production of TSM Series hydraulic motor pumps reached 7 million units

March 2020
Recognized as a 2020 Certified Health & Productivity Management Outstanding Organization (Large Enterprise Category)
* Recognized for three consecutive years

June 2021
Expanded into the insect food business
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November 2021
Started production of reactor cores for new hybrid vehicles