1950	Established original headquarters 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 headquarters offices and plant to Oguchi-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 introducing Toyota Kanban System for production rationalization
1982	Added bolt producion to the Gifu Plant
1984	Started operation of Gojogawa (plastic molding) Plant Received Toyota Outstanding Quality 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 an award from Japan Society for Technology of Plasticity
1990	Started operation of Kani Plants No.3 and No.4 Established the ARRS and the logistics information center at Headquarters
1991	Received TPM Outstanding Business Site Award Exhibitor at Tokyo Motor Show Started operation of Gojogawa Coating Plant
1992	Started operation of Kumamoto Plant in Takamori-cho, Aso-gun, Kumamoto Prefecture
1993	Exhibitor at Tokyo Motor Show
1995	Exhibitor at Tokyo Motor Show
1997	Started operation of IAF in North America Obtained ISO9002 certification at Ibaraki Plant Received FQA laboratory approval
1998	Obtained ISO9002 certification at Headquarters and Kani Plant Obtained QS-9000 certification at ATC Obtained ISO9001 certification at IAF
1999	Obtained QS-9000 certification at IAF
2000	Celebrated our 50th corporate anniversary Obtained QS-9000 certification at Headquarters and Kani Plant
2001	Completed construction of R&D Center Obtained ISO14001 certification at IAF
2002	Started operation of ATC Rayong Plant Obtained ISO14001 certification at Headquarters and Oguchi Plant
2003	Obtained ISO14001 certification at Kani Plant, Gifu Plant, Gojogawa Plant, and Kumamoto Plant
2004	Started operation of ACZ in Europe Obtained ISO14001 certification at Ena Plant
2005	Started operation of AFS in China Started operation of Kani Plant No.5 Obtained ISO/TS16949 certification at Headquarters, Kani Plant, ATC and IAF
2006	Started operation of Nakatsugawa Plant
2007	Received a special award for Engine Type Reduction from Toyota Motor Corporation
2008	Received Technological Development Award from Toyota Motor Corporation
2009	Obtained ISO14001 certification at ACZ Obtained ISO/TS16949 certification at AFS
2010	Received an excellence award for Quality Control from Toyota Motor Corporation Received CT200 Technological Development Award
2011	Obtained ISO/TS16949 certification at ACZ Obtained ISO14001 at AFS
2012	Established Hamamatsu Sales Office Relocated Kanto Branch to Akasaka, Minato-ku, Tokyo
2013	Started operation of AFD in Indonesia Received Auto Parts Standardization Award from Toyota Motor Corporation Received Safety Toyota Award from Toyota Motor Corporation Received VE Activity Contribution Award from Daihatsu Motor Co., Ltd. Received Committee Chairman Award from Safety and Health Committee of Kyouhoukai Group Relocated Osaka Sales Office to Ikeda City, Osaka
2014	Received Overseas Support Award from Aisin AW Co., Ltd. Participated in Mt. Fuji cleanup activity of Environmental NPO "Mt. Fuji Club "
2015	Received Auto Parts Standardization Award and Cost Improvement Award from Toyota Motor Corporation
2016	Obtained OSHA18001 certification at ACZ Obtained ISO/TS16949 certification at AFD Established Utsunomiya Sales Office, Tochigi Prefecture
2017	Relocated Kanto Branch to Omiya, Saitama Prefecture
2020	Started operation of Seki Plant
2021	Established Kariya Office
2021	Sanyo Plating Industry Co., Ltd. became a subsidiary.
2023	Obtained JIS Q 9100:2016 certification.