Yasunaga Corporation

Company Profile




3860 Midorigaoka Naka-mach, Iga City, Mie Prefecture 518-0834, Japan

Business Overview

-A supplier of automotive engine parts.
-Integrated manufacturing system, from production of casting materials to in-house development of processing technology to machining and logistics.


-Listed on the Prime Market of the Tokyo Stock Exchange (As of Mar. 31, 2023)
Name or Company Name Investment Ratio (%)
YASNAG 17.98
The Master Trust Bank of Japan ,Ltd. (Trust Account) 4.39
Individual shareholder 3.00
Individual shareholder 2.97
Employee Stockholdings 2.26
Nagoya Small and Medium Business Investment & Consultation Co., Ltd. 2.04
MUFG Bank, Ltd. 1.92
Individual shareholder 1.77
The Hyakugo Bank, Ltd. 1.33
Resona Bank, Limited 1.33
Total 39.04


Engine Parts
-Connecting rods
-Cylinder heads
-Cylinder blocks
-Cam shafts
-Crank shafts

Other Engine Parts
-Oil pans
-Bearing caps
-Flywheel housings
-Balancer shafts
-Lash adjusters
-Exhaust manifolds
-Throttle bodies
-Converter housings


Electric Parts
-Inverter housings
-Transaxle cases
-Motor stator housings
-Brake actuator housings


Sep. 1949 Incorporated Yasunaga Steel Works Co., Ltd. in Ueno City, Mie to produce home sewing machine arm beds.
Mar. 1953 Started production of pig iron casting products.
Apr. 1963 Started production of agricultural engine parts and automotive parts.
Feb. 1967 Started full scale production of automotive engine components.
Mar. 1967 Constructed the Nabari Plant in Nabari City, Mie Prefecture.
Apr. 1970 Started business with Mitsubishi Motors Corporation.
Nov. 1982 Established the Saimyoji Plant in Ueno City, Mie Prefecture, which started operations as an automotive engine parts plant.
Apr. 1988 Changed the trade name from Yasunaga Steel Works to Yasunaga Corporation.
Oct. 1993 Absorbed Yasunaga Engineering Co., Ltd.
Apr. 1994 Absorbed Yasunaga Casting Corporation.
Feb. 1996 Established P.T. Yasunaga Indonesia in Indonesia.
Feb. 1996 Listed on the Second Section of the Osaka Securities Exchange.
Oct. 1998 Established a sales subsidiary in USA, Yasunaga Corp. America (currently a consolidated subsidiary)
Feb. 2006 Started commercial operations at its Yumeporisu Plant located in Iga-City, Mie Prefecture. The plant produces engine parts.
Mar. 2011 Established Yasunaga Korea Co., Ltd. in Korea.
Dec. 2012 Established Yasunaga (Thailand) Co., Ltd. (currently a consolidated subsidiary) in Thailand.
Jul. 2013 Listed on the second section of the Tokyo Stock Exchange after the cash equity market of the Osaka Securities Exchange was integrated with that of the Tokyo Stock Exchange.
Jun. 2014 Listed on the first section of the Tokyo Stock Exchange.
Jul. 2015 Established YASUNAGA MEXICO S.A. DE C.V. in Mexico as a subsidiary.
Apr. 2022 Moved to the Prime Market of the Tokyo Stock Exchange.
Dec. 2022 Transferred the majority shares held in Yasunaga Korea Co., Ltd., thus removing it from consolidated business results.

Supplemental Information 1