| 1898 |
Eiichi Okuma started manufacturing and selling noodle-making machines. |
| 1898 |
Eiichi Okuma founded "Okuma Menzai Trading Company" and started manufacturing and selling noodle machines. : Noodle machine : Noodle machine |
| 1904 |
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| 1904 |
Started manufacturing machine tools. |
| 1918 |
Start of manufacturing of OS type general-purpose lathes. |
| 1918 |
Okuma Iron Works Co., Ltd. established. : Started manufacturing OS type ordinary lathes. : OS type ordinary lathe |
| 1937 |
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| 1937 |
Our machine tool production volume ranked first in Japan. |
| 1963 |
Developed an absolute position detection NC device (OSP) in-house, becoming the only integrated electromechanical manufacturer in Japan. |
| 1963 |
Developed our own absolute position detection system (OSP). : Became Japan's only comprehensive mechatronics manufacturer. |
| 1966 |
Started manufacturing LA-N type NC lathes. |
| 1966 |
Started manufacturing LA-N type NC lathes. : LA-N type NC lathe : LA-N type NC lathe |
| 1968 |
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| 1968 |
Started manufacturing MCD type portal machining centers. |
| 1970 |
Completion of Ooguchi assembly plant in Aichi Prefecture. |
| 1970 |
Ooguchi Assembly Plant (Aichi Prefecture) completed. |
| 1972 |
From then on, all our NC machines are equipped with CNC devices. |
| 1972 |
Developed own CNC (Computer Numerical Control). : All subsequent NC machines from our company are equipped with CNC systems. : OSP2000 type CNC system : OSP2000 type CNC system |
| 1980 |
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| 1980 |
Started manufacturing MC-H type horizontal machining centers. |
| 1982 |
Started manufacturing LB15 type NC lathes. |
| 1982 |
Started manufacturing LB15 type CNC lathes. : LB15 type NC lathe : LB15 type CNC lathe |
| 1984 |
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| 1984 |
Established OKUMA MACHINERY INC. sales company in the United States. |
| 1987 |
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| 1987 |
Established OKUMA MACHINE TOOLS INC. production base in the United States. |
| 1988 |
Established sales company OKUMA MACHINERY HANDELS GmbH and service company OKUMA SERVICE FUR WERKZEUGMASCHINEN GmbH in Germany. |
| 1988 |
First phase construction completed at Kani Factory. : Established OKUMA MACHINERY HANDELS GmbH sales company and OKUMA SERVICE FUR WERKZEUGMASCHINEN GmbH service company in Germany. |
| 1990 |
Merged with OMG and OSG in Germany to establish the new company OKUMA EUROPE GmbH. |
| 1990 |
Germany's OMG and OSG merged to establish the new company OKUMA EUROPE GmbH. : OKUMA EUROPE GmbH : OKUMA EUROPE GmbH |
| 1991 |
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| 1991 |
Changed company name to Okuma Corporation. |
| 1995 |
Merged with OMI and OMT in the United States. |
| 1995 |
U.S. OMI and OMT merged to establish OKUMA AMERICA CORPORATION. : OKUMA AMERICA CORPORATION : OKUMA AMERICA CORPORATION |
| 1997 |
Established Taidong Okuma Co., Ltd. |
| 1997 |
Established a joint venture in the Republic of China (Taiwan), "Tatung Okuma Co., Ltd." |
| 2002 |
Established Beijing North Okuma Machine Tool Co., Ltd. |
| 2002 |
Established a manufacturing base in China, Beiyi Okuma (Beijing) Machine Tool Co., Ltd. |
| 2003 |
Core technology of the Thermo-Friendly Concept. |
| 2003 |
The core of the Thermo Friendly Concept, the "Thermal Displacement Compensation System," received the Japan Society of Mechanical Engineers Award. |
| 2006 |
Okuma Holdings, Okuma, Toyokazu Okuma Machinery, and Okuma Engineering merged into four companies. |
| 2006 |
Four companies, Okuma Holdings, Okuma, Okuma Toyokazu Machinery, and Okuma Engineering, merged. |
| 2008 |
|
| 2008 |
Global CS Center and headquarters logistics center completed. : Global CS Center : Global CS Center |
| 2013 |
Headquarters completed. |
| 2013 |
A comprehensive production factory for complex machining centers and NC lathes, DS1 (Dream Site One), completed at the headquarters. : DS1 : DS1 |
| 2014 |
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| 2014 |
Developed the next-generation intelligent CNC OSP suite. |
| 2015 |
"OPEN POSSIBILITIES" |
| 2015 |
Established brand message "OPEN POSSIBILITIES." |
| 2016 |
Aerospace Center of Excellence established at headquarters. |
| 2016 |
Established Aerospace Center of Excellence, a manufacturing service support base for the aerospace industry, at the headquarters. |
| 2017 |
Parts factory completed at headquarters. |
| 2017 |
Completed a parts factory for small and medium-sized lathes, DS2 (Dream Site Two), at the headquarters. : DS2 : DS2 |
| 2018 |
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| 2018 |
Developed the next-generation robot system "ARMROID." : ARMROID : ARMROID |
| 2019 |
New generation smart factory completed at Kani Factory. |
| 2019 |
|
| 2019 |
Completed the new smart factory DS3 (Dream Site Three) at Kanigawa Factory. : Opened Okuma Tohoku CS Center. |
| 2020 |
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| 2020 |
Developed the five-face machining portal type machining center "MCR-BV." |
| 2021 |
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| 2021 |
Opened West Japan CS Center. |
| 2022 |
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| 2022 |
Developed next-generation CNC OSP-P500. |
| 2023 |
Gumma Factory established. Ningbo Technical Center opened in Shanghai, China. East Japan CS Center opened. |
| 2023 |
Established Gunma Factory. : Established Ningbo Technical Center in Shanghai, China. : Opened East Japan CS Center. |
| 2024 |
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| 2024 |
Opened Kyushu CS Center. |