||Hayashi, Ltd. Established in Komoguchi, Toyohashi.Sewing machines and knitting machine manufacture and repair.
||Renamed, Nagata Tekko, Ltd. ; moved to Nibancho, Hanada, Toyohashi.
||Production shifted to crankshafts, connecting rods, and gears.
||System made for gear manufacturing.
||Established as a specialized gear plant with capital of 3.15 million yen
Capital: 3.15 million yen
||Capital: 4.3 million yen
||Joined the Japan Gear Manufacturers’ Association.
Completed shift to manufacturing gears only, and made a five-year plan to construct the Kozakai Plant (present plant).
Introduction of many leading-edge machines.
Capital: 8 million yen
||Capital: 12 million yen
||Capital: 24 million yen
||Plant specializing in heat treatment constructed.
Capital: 25 million yen
||Gear Grinding Division established.
||Reorganized as NAGATA TEKKO CO, LTD
Capital: 36 million yen
||Capital: 48 million yen
||Expanded the Gear Grinding Division, started screw and rackmanufacturing.
Capital: 72.5 million yen
||Established the Screw and Rack Grinding Division
||Opened Precision Measurement Division and Screw and Rack Plant.
||Received Technology Award from the Toyohashi Chamber of Commerce and Industry
||Gear Grinding Plant completed.
||No.1 Production Plant refurbished.
||Heat Treatment Plant improved with new facilities.
Microscopic gear grinder developed.
||New cafeteria opened.
||Machine Repair Plant opened.
No.2 Production Plant refurbished.
||Certified ISO 9002
||Mimi Gear Grinding Division established.
||Certified ISO 9001:2000
||No.1 Production Plant remodeled.
Heat Treatment Plant extended.
||No.2 Production Plant remodeled.
||Certified ISO 14001:2004
Capital: 76.25 million yen
||Completion of “Nagata Training Facilities”
Certified ISO 9001:2008
||The address has been changed due to municipal mergers.
||Heat Treatment Plant completed.
||No.2 Plant completed.
||Certified JIS Q 9100 : 2009
||70th Anniversary Ceremony