| 1950 |
Established the head office and plant in Konan City, Aichi Prefecture |
| 1957 |
Established Ibaraki plant in Hitachinaka City, Ibaraki Prefecture |
| 1965 |
Established Aoyama Thai Co., Ltd. (ATC) in Bangkok, Thailand |
| 1968 |
Relocated the head office and plant to Ohguchi-cho, Niwa-gun, Aichi Prefecture |
| 1970 |
Started operation of Ena plant in Ena-gun (now called Nakatsugawa City), Gifu Prefecture |
| 1974 |
Started operation of Gifu plant in Gujo-gun (now called Gujo City), Gifu Prefecture |
| 1976 |
Worked on Just-in-Time production
by implementing Toyota's Kanban system |
| 1982 |
Additionally built a bolt plant
in Gifu plant |
| 1984 |
Started operation of Gojyogawa
(plastic molding) plant
Received Toyota quality control outstanding performance
award |
| 1986 |
Started operation of Kani plant No.1 in Kani City, Gifu Prefecture |
| 1987 |
Started implementation of TPM |
| 1988 |
Started operation of Kani plant
No.2
Received Japan Society for Technology of Plasticity
award |
| 1990 |
Started operation of Kani plants No.3 and No.4 Established the ARRS and the distribution information center in the head office |
| 1991 |
Received TPM outstanding business
site award
Participated in presentation at Tokyo Motor Show
Started operation of Gojyogawa coating plant |
| 1992 |
Started operation of Kumamoto plant in Takamori-cho, Aso-gun, Kumamoto Prefecture |
| 1993 |
Participated in presentation
at Tokyo Motor Show |
| 1995 |
Started operation of ATC Rayong
plant
Participated in presentation at Tokyo Motor Show |
| 1997 |
Started operation of IAF in
North America Obtained ISO9002 certification in Ibaraki plant Received FQA laboratory approval |
| 1998 |
Obtained ISO9002 certification
in the head office and Kani plant
Obtained QS-9000 certification in ATC
Obtained ISO9001 certification in IAF |
| 1999 |
Obtained QS-9000 certification
in IAF |
| 2000 |
Celebrated our 50th corporate anniversary
Obtained QS-9000 certification in the head office
and Kani plant |
| 2001 |
Completed construction of R&D
Center |
| 2002 |
Obtained ISO14001 certification
in the head office and Ohguchi plant |
| 2003 |
Obtained ISO14001 certification
in Kani plant, Gifu plant, Gojyogawa plant, and
Kumamoto plant |
| 2004 |
Started operation of ACZ in
Europe
Obtained ISO14001 certification in Ena plant |
| 2005 |
Started operation of AFS in China Started operation of Kani plant No.5 Obtained ISO/TS16949 certification in the head office, Kani plant, ATC and IAF |
| 2006 |
Started operation of Nakatsugawa plant |
| 2007 |
Received a special award for engine versatility improvement through variety reduction from Toyota Motor Corporation |
| 2008 |
Received award for Technological development from Toyota Motor Corporation |