Panoramic view

Panoramic view

Exterior view

Exterior view

Overview

Start of production
June 1973
Site area
570,000 m2
Business activities & products
Powertrain-related suspension cast parts,
powertrain-related suspension machined parts
Production results for 2011
Cast iron: 45,000 t
Aluminum: 24,000 t
Differentials: 912,000 units
Transfer cases: 624,000 units
Number of employees
1,581
Note:
The number of employees is as of end of December 2011, and excludes fixed-term employees and short-term employees.

Events

Year
Month
Events
1971
July
Ground-breaking ceremony
1973
June
Completion ceremony held; production of differentials and differential cases commenced on shaping line at No. 1 casting plant
1977
January
Operations commenced at No. 2 casting plant
March
No. 1 casting plant full-scale operations commenced (Honsha Plant casting plant withdrawn)
1978
February
Operation of original computer system commenced with aim of drastically reducing desk work of supervisors and speeding up information flows
1980
September
Kanban sign signaling method adopted on cylinder block line
1981
July
No. 3 Plant operations commenced (5M-G engine cylinder heads) with the aim of switching to aluminum
1984
December
Toyota's first outdoor automated guided vehicle (AGV) introduced
1986
October
Painting plant completed and painting of parts commenced
1988
September
Clock tower installed commemorating cumulative Toyota production of 60 million vehicles in Japan
1990
January
Cupola operations commenced at No. 2 casting plant
August
First phase of construction of machine plant completed; carburizing and quenching operations commenced
1991
January
Celsior steering column processing and assembly line operations commenced
April
Plant OA (efficiency and cost systems) operations commenced
1992
January
Third phase of construction of machine plant completed
1996
April
Support for steering column production by TABC in the US commenced
1997
April
Support for steering column production by TMCA in Australia commenced
1998
November
External ISO 14001 certification obtained
2000
January
Maskless activities start
December
'Zero landfill waste' target achieved
2001
October
Asaichi(morning market) activities on quality launched
2003
April
Steering column production ended (cumulative production: 7.88 million units) and transferred to Miyoshi Plant and Koyo Seiko Co., Ltd. (now JTEKT Corporation) as a part of the consolidation of production processes
November
Phase I activities for reconstructing casting lines start
2004
April
Cumulative mechanical differential production reaches 1 million units
August
Emergency support provided to casting operations by TMUK in the UK
November
Axle production ended (cumulative production: 5.46 million units) and transferred to Motomachi Plant as part of the consolidation of production processes
2005
January
Support for ZR engine cylinder block casting by TFTE in China commenced
August
Operation by Clean Assembly Room for Lexus commenced
2006
April
Support for ZR engine casting by TMUK in the UK commenced
July
Lexus LS 460 differential production commenced
December
Phase II activities for reconstructing casting lines start
2008
February
Minister of Economy, Trade and Industry award won for differential manufacturing; Energy savings achieved by thermal processing furnace using SQC methods

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