
| 1923~ | Founded | |
|---|---|---|
| 1931 | Changed company name to Kurita Ironworks Co. Ltd. | |
| 1954 | Changed company name to Kurita Rock Drill Co. Ltd. | |
| 1960 | Developed large-sized breaker | |
| 1967 | Developed and delivered lot (rod) for taphole opener (tapping machine) for blast furnace when Nippon Steel Kimizu Works was constructed | |
| 1971 | Started manufacturing taphole opener for steel manufacturing | |
| 1975 | Delivered residual steel plate drill to POSCO (South Korea) | |
| 1979 | Delivered residual steel plate drill to Shanghai’s Baoshan Ironworks (China) | |
| 1980 | Started manufacture of Coke sampler, Shaft mini sampler, Shaft horizontal sonde, Raceway depth measurement device, and other samplers | |
| 1982 | Developed blast furnace large launder (gutter) chipping hammer (screw chipper) for steel manufacturing | |
| 1984 | Developed civil engineering concrete chipping hammer (screw chipper), and started manufacture and sale of chipping hammer (screw chipper) for dam sites and repair works | |
| 1989 | Constructed a factory in Yachimata city, Chiba and relocated manufacturing division | |
| 1991 | Delivered tapping machine for Kobe Steel’s electric furnace | |
| 1992 | Delivered joint cutter for electric furnace bottom to Tokyo Steel Okayama plant | |
| 1995 | Delivered chipping hammer (screw chipper) for reconstruction work from the Great Hanshin-Awaji Earthquake | |
| 1998 | Delivered chipping hammer (screw chipper) in peer radius (ピアR部) peer side wall for repair work at Tsuruga Dam Power Station of Shikoku Electric Power Co. Inc. | |
| 1999 | Relocated head office to Chiba factory | |
| 2000 | Delivered chipping hammer (screw chipper) in sewer for repair work of Takamatsu trunk sanitary sewer in Kobe city | |
| 2002 | Signed Agency Agreement on chipping hammer (screw chipper) for civil engineering with JOEU (South Korea) | |
| 2003 | Delivered metal tapping machine to Tokushima plant of Nippon Denko Co. Ltd. | |
| 2004 | Delivered chipping hammer (screw chipper) for reconstruction work from Niigata-Chuetsu Earthquake | |
| 2005 | Developed asbestos running remover | |
| 2006 | Developed brick tube sorting and dismantling equipment in large size garbage incinerator | |
| 2007 | Delivered closing appliance for ash melting furnace to Clean Center incinerating facility | |
| 2008 | Signed Agency Agreement with Fengshi Architectural Machinery (China)
Exhibited Spike Hammer in Bauma China in November Exported to Taiwan; used for Taipei Xinyi Line JV Construction Office of Obayashi Corp. |
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