1951 Founded as Tanaka Engraving
1957 Reorganized as Kyokuto Engraving Co.,Ltd
1958 Established Trial Manufacture.Research Division
1968 The Resin Product Development Division became, independent as AB Model Co.,Ltd
1969 Established the injection Mold Research Division
1970 Established the Design Division
1971 The Mold Manufacture Division became independent as AB Model Co.,Ltd
1978 Established AB Model Co.,Ltd
Kawagoe Plant Kyokuto Engraving Co.,Ltd was renamed as AB Co.,Ltd
1979 Established AB-Model Co.,Ltd Tamagata Plant
1980 Established AB Co.,Ltd Yamato Plant
1983 Established AB Co.,Ltd Shirakawa Plant
1987 Completed AB Co.,Ltd Main building
2001 Established AB Megaforce Co.,Ltd , Shanghai ( Joint Venture Company)
ISO 9001 Certification at Shirakawa Plant
2002 Established AB Zhuhai Co.,Ltd ( Design Office of AB Group)
AB Co.,Ltd Bond issue
2004 Established Shanghai AB Plastic Co.,Ltd
2005 Established Shanghai AB Plastic mold Co., Ltd in Shanghai, China
ISO 14000 Certification at Shanghai AB Plastic Co., Ltd.
2008 ISO14000 Certification at Shirakawa Plant
2009 Integration of AB Co.,Ltd. Yamato Plant and AB Co.,Ltd. Main Plant
2011 Established AC mold zhuhai Co.,Ltd in zhuhai China
2012 Established CBC AB PRECISION (THAILAND) Co.,Ltd. In Thailand
2013 Established AB MOULD PH CORPORATION in Philippines