UNIPRES Corporation

Company Profile




SUN HAMADA BLDG. 5F, 1-19-20 Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa Pref., 222-0033 Japan

Business Overview

-Major manufacturer of stamped and machine parts, operating in three areas of the automotive sector: body stamped parts, transmission parts, plastic/resin parts.

-Sales to Nissan made up 74.6% of the Company's overall sales (FY ended March 2023).


- From April 2022, moved to the Prime Market of the Tokyo Stock Exchange (As of Mar. 31, 2023)
Name or Company Name Investment Ratio (%)
The Master Trust Bank of Japan, Ltd. (Trust Account) 16.2
Nippon Steel Corporation 15.0
Marubeni-Itochu Steel Inc. 9.8
Custody Bank of Japan, Ltd. (Trust Account) 4.4
Custody Bank of Japan, Ltd. (Corporate investment fund) 2.3
SSBTC 505001 1.9
Individual stockholder 1.3
Total 59.6


Car Body Products
Upper car body parts

  • Hood lock strikers


  • Reinforced roofs
  • Front roof rails
  • Bow roofs
  • Bow roof center
  • Rear roof rails

-Side roofs

  • Reinforced roof side outer
  • Braced roof rail outer

-Front pillars

  • Reinforced front pillar hinge front
  • Front pillar inner upper

-Center pillars

  • Reinforced center pillars
  • Center pillar inner

-Rear pillars

  • Reinforced rear pillar inner
  • Rear pillar inner

-Side sills (Outer)

  • Reinforced sills outer
  • Reinforced sills outer rear


  • Waist and parshelf
  • Parshelf side
  • Reinforced child seat anchor

-Parts near the trunks

  • Extension rear fenders
  • Base assembly rear combination lamps
  • Rear panel upper

-Guard bars

  • Front door guard bars
  • Rear door guard bars


  • Trunk lid hinge reinforcement
  • Trunk lid lock reinforcement

Lower car body parts
-Front side members

  • Front side members
  • Stiffener front side members
  • Extension front side member rear


  • Reinforced hoodledges
  • Hoodledges lower rear

-Cowl tops

  • Cowl tops front
  • Cowl tops center
  • Extension cowl top


  • Member dashes lower cross

-Dash sides

  • Dash sides


  • Reinforced transmission controllers
  • Member assembly floor center

-Side sills (Inner)

  • Sill inner

-Cross members

  • Second cross members
  • Third cross members
  • Rear seat cross members
  • Extension rear floor front

-Wheel houses

  • Reinforced rear wheel house inner
  • Rear wheel house inner
  • Bracket shock absorber mounting
  • Rear seat back side supports

-Rear side members

  • Rear side members
  • Rear center cross members

Bumper parts
-Reinforced front bumpers
-Stay assembly front bumpers
-Reinforced rear bumpers

Steering members
-Steering members
-Instrument stays

Fuel tanks
-Fuel tanks
-Filler tubes

Transmission Products
Torque converters
-Converter covers
-Turbine shells
-Turbine cores
-Turbine blades
-Impeller shells
-Impeller cores
-Impeller blades

Clutch packs
-Clutch drums
-Clutch hubs
-Retaining plates
-Driven plates

Carrier packs
-Carrier complete planetaries
-Carrier plates
-Carrier bases

-Shell connectors
-Piston retainers
-Internal plates
-Gear parking devices
-Pawl parking devices
-Piston plungers
-Piston cylinders
-Oil pans
-Lever shift forks
-Plate guides

Plastic-pressed Products
Car body parts
-Radiator core supports

Interior parts
-Trunk trims
-Finisher rear parshelf

Exterior parts
-Battery trays
-Front air guides
-Protector front fenders
-Front mud guards
-Liner front fenders
-Protector mud flaps
-Front bumper energy absorbers
-Splash guards
-Front under covers
-Engine under covers
-Floor under covers
-Rear floor covers
-Rear diffusers
-Closing rear bumpers
-Protector fuel tanks
-Radiator covers
-Hoodledge covers


Mar. 1945 With capital of 180,000 yen, established Yamakawa Bankin Kogyo as a company specializing in the processing of stamped sheet metal.
Oct. 1946 Began business with Nissan, to manufacture general stamped components for automobiles.
Jun. 1953 Moved headquarters and the plant to Gomishima, Fuji-shi, Shizuoka Pref. from Ohmiya, Fujinomiya-shi, Shizuoka Pref.
Mar. 1955 Began business with Mitsubishi Electric Corporation.
Mar. 1961 Renamed as Yamakawa Industries Inc. from Yamakawa Bankin Kogyo.
Apr. 1961 Established the Yokohama Plant in Totsuka-ku, Yokohama-shi, Kanagawa Pref. (currently the Kanagawa Plant)
Oct. 1964 Established Oppama Plant in Natsushimacho, Yokosuka-shi, Kanagawa Pref. (currently the Kanagawa Plant)
Dec. 1970 Established the Mooka Plant in Matsuyamacho, Mooka-shi, Tochigi Pref.
Jan. 1976 Established Katsuyama Press Kogyo (currently Unipres Kyushu Corporation, a consolidated subsidiary) in Katsuyamacho, Miyako-gun, Fukuoka Pref. as the product process manufacturer for the NISSAN Kyushu Plant.
Mar. 1995 Established Yamakawa Manufacturing de Mexico, S.A. de C.V. (currently Unipres Mexicana, S.A. de C.V., as a consolidated subsidiary. hereafter called Unipres Mexico) in San Francisco de Los Romo, Aguasquarientes, Mexico.
Apr. 1999 Merged and took over Nissan Yamato Engineering Ltd. (currently Unipres UK Limited), a subsidiary, and hereafter called Unipres England which was established in October 1986 in Sunderland, U.K.
Apr. 1999 Merged with Yamato Kogyo Co., Ltd., located in Shimotsuruma, Yamato-shi, and changed the company name to Unipres Corporation from Yamakawa INDUSTRIES INC.
Jan. 2002 Set up Unipres Southeast U.S.A Inc. (UPSA), as a consolidated company, in Forest, Mississippi, USA.
Jul. 2002 Established Unipres Europe SAS in Neuilly sur Seine, France.
Jan. 2003 Established UM Corporation, SAS in Pas de Calais, France.
Jul. 2003 Established Unipres North America, Inc. in Detroit, Michigan, U.S.A. (currently a consolidated subsidiary)
Oct. 2003 Cosmo Techno Corporation (a subsidiary of the Company) gained 100% of the voting rights of Sotoyama Kogyo Co., Ltd., which is located in Fuji City, Shizuoka Pref.
Oct. 2003 Established Unipres Guangzhou Corporation in Guangzhou, Guangdong Province, China. (Now a consolidated subsidiary)
Feb. 2004 Listed on the second section of the Tokyo Stock Exchange.
Mar. 2004 Acquired ISO14001:1996.
May 2004 Moved headquarters to Kohoku-ku, Yokohama City, Kanagawa Prefecture.
Apr. 2005 YSM and Unipres Hiroshima merged, becoming Unipres Mold Corp.
Sep. 2005 Listed on the First Section of the Tokyo Stock Exchange.
Sep. 2006 Established a tool plant at Unipress Guangzhou Corporation.
Oct. 2008 Established a joint venture, Unipres India Private Limited, in Chennai, Tamil Nadu, India with Marubeni Corporation. The new company is a consolidated subsidiary.
Jul. 2009 Established a non-consolidated subsidiary, Unipres (Thailand) Co., Ltd. in Bangkok, Thailand.
Oct. 2009 Established Unipres Precision Guangzhou Corporation in Guangzhou, Guangdong Province, China. The new company is a joint venture with Unipres Guangzhou Corporation and a consolidated subsidiary.
Jun. 2010 Made Unipres Kyushu Corporation a wholly owned subsidiary after acquiring additional shares from Mitsuike Corporation.
Apr. 2011 Constructed Unipres R&D Co., Ltd. in Yokohama, Kanagawa Prefecture.
Jul. 2011 Established PT. Unipres Indonesia, a consolidated subsidiary, in West Java.
Feb. 2012 Established Unipres (China) Corporation, a consolidated subsidiary, in Ghangzhou, China.
May 2012 Established Unipres Zhengzhou Corporation, a wholly owned subsidiary of Unipres China, in Zhengzhou, Henan Province, China.
Jun. 2013 Acquired shares in MA Automotive Brasil Ltda., turning it into an affiliated company.
Jan. 2014 Established Unipres Russia LLC in Russia.
Jan. 2014 Established Unipres Sunrise Corporation as 3 company's joint venture.
Jul. 2014 Established transmission-parts production plant at Unipress Mexico.
Jul. 2014 Established Unipress Alabama, Inc. in Steele, Alabama in the U.S.
Oct. 2014 Unipress Alabama took over the sheet-metal business from Yachiyo Manufacturing of Alabama, LLC, which is Yachiyo Industry Co., Ltd.'s U.S. subsidiary.
May 2015 Announced an expansion of capital and business alliance with Nippon Steel & Sumitomo Metal Corporation.
Apr. 2017 Established Dongfeng Unipres Hot Stamping Corporation in Guangzhou, Guangdong Province, China, with Unipres (China) Corporation and Dongfeng (Wuhan) Industrial Co., Ltd. (currently equity-method affiliate)
Jun. 2019 Acquired additional stock shares in UM Corporation from MA Automotive, turning the company into a subsidiary.
Aug. 2019 Established Unipres Wuhan Corporation in Wuhan, Hubei Province; as Unipres China’s wholly owned, consolidated subsidiary in China.
Apr. 2022 Moved to the Prime Market of the Tokyo Stock Exchange due to the TSE's reorganization

Supplemental Information 1