|1926||Kakusaburo Okamoto established the Okamoto Special Purpose Machine Tool Works
as a privately owned company.
|1935||Incorporated as Okamoto Machine Tool Works, Ltd. with Head Office at 3-4 Ginza,
|1953||Developed column cross feed type Surface Grinding Machine Model PSG-6.|
|1957||Developed Internal Grinding Machine Model IGM-1E.
Development and production setup for all types of machine tools,
including surface grinding machines completed.
Capital increase to 30 million yen.
|1961||Developed Gear Grinding Machine Model SHG-2 with worm type grinding wheel.|
|1963||Listed on Tokyo Stock Exchange, 2nd Section.|
|1972||Established USA subsidiary Okamoto Corporation.|
|1973||Established subsidiary Okamoto (Singapore) Pte. Ltd. in Singapore.
Gear Division of Hiroshima Plant was made independent and incorporated
as Okamoto Gear Co., Ltd.
|1982||Annaka Plant in Gunma Prefecture completed and started production.|
|1987||Established subsidiary Okamoto (Thai) Co., Ltd.|
|1989||Completed 2nd expansion of Annaka Plant.|
|1991||Okamoto enters an engineering and marketing collaboration with
The Gleason Works of Rochester, NY (USA) related to gear equipment.
|1992||Established Okamoto Machine Tool Europe GmbH in Germany.|
|1995||Established Okamoto Southeast Asia sales and service branch in Singapore,
Okamoto Machine Tool Works, Ltd. Singapore branch.
|1996||Developed Full Automatic Grinder VG502MKII8.
Awarded with JSME (The Japan Society of Mechanical Engineers) Medal.
|2001||Developed Back Grinder GNX300P dock with Scanning Polisher System for
Wafer Thinning Solution.
|2002||Established Okamoto Machine Tool (Shanghai) Office.|