|  | 1921 | Mr. Kanichi Imanishi founded a wood pattern model factory for castings
                    in Zaimokucho, Hiroshima city. |  | 
                  
                    |  | 1934 | Relocated in Yaga-Shinmachi, Hiroshima city for business expansion. (present
                    Yaga plant) |  | 
                  
                    |  | 1947 | Reorganized to joint-stock company Imanishi Manufacturing Co., Ltd. |  | 
                  
                    |  | 1952 | Commenced manufacture of iron castings. |  | 
                  
                    |  | 1958 | Commenced manufacture of casting dies and molds. |  | 
                  
                    |  | 1960 | Newly established Kaita plant. |  | 
                  
                    |  | 1975 | Licensed by Zulzar Brothers Ltd.of Switzerland for the SUP precision casting
                    process. |  | 
                  
                    |  | 1976 | Yaga plant tackled design and manufacture of welding tools for car body
                    assembly. |  | 
                  
                    |  | 1977 | Kaita plant tackled manufacture of stamping dies for prototyping. |  | 
                  
                    |  | 1977 | Introduced from Laval Ltd. of France JUPTRADE system (rapid casting process). |  | 
                  
                    |  | 1986 | Integrated head office functions to Yaga-shinmachi, Hiroshima city. |  | 
                  
                    |  | 1987 | Kaita plant tackled design and manufacture of plastic molds. |  | 
                  
                    |  | 1988 | Introduced 3-D CAD/CAM system. |  | 
                  
                    |  | 1991 | Newly established Funakoshi plant. |  | 
                  
                    |  | 1993 | Constructed a new plant building at Kaita plant. |  | 
                  
                    |  | 1996 | Yaga plant introduced "LOM2030E" system for rapid prototyping. |  | 
                  
                    |  | 2000 | Head office and Yaga plant acquired certificate of ISO9001:1994. (2000.6.1) |  | 
                  
                    |  | 2002 | Imanishi Mfg. acquired certificate of ISO9001:2000. |  | 
                  
                    |  | 2003 | Imanishi Mfg. acquired certificate of ISO14001. (2003.3.6) |  | 
                  
                    |  | 2003 | Introduced "LOM SC800" system for rapid prototyping. |  | 
                  
                    |  | 2003 | Introduced 5-sided machining center. |  | 
                  
                    |  | 2005 | Renewed high frequency electric induction furnace and firing furnace for
                    precision castings. |  | 
                  
                    |  | 2007 | Introduced machining center and robot system for high efficient jig production. |  | 
                  
                    |  | 2007 | Introduced the second 5-sided machining center. |  | 
                  
                    |  | 2009 | Imanishi Mfg. acquired certificate of ISO9001: 2000 and ISO14001: 2004.
                    (2009.2.10) |  | 
                  
                    |  | 2009 | Introduced 5-axis vertical machining center. |  | 
                  
                    |  | 2010 | Introduced casting simulation system and optical emission spectrometer. |  | 
                  
                    |  | 2010 | Imanishi Mfg. acquired certificate of ISO9001: 2008 and ISO14001: 2004.
                    (2010.3.9) |  | 
                  
                    |  | 2014 | Introduced stereolithography machine, "ATOMm-4000". |  | 
                  
                    |  | 2017 | Introduced new horizontal machining center for jig production. |  | 
                  
                    |  | 2018 | Imanishi Mfg. acquired certificate of ISO9001: 2015 and ISO14001: 2015.
                    (2018.3.6) |  | 
                  
                    |  | 2021 | Imanishi Mfg. celebrated the 100th anniversary. (2021.6.1) |  |