|1930||Keiichi Nakanishi establishes Nakanishi Seisakusho in Kanda Toshima-cho,
Chiyoda-ku, Tokyo, to manufacture and sell dental rotary equipment;
|1945||The company moves to Kanuma-shi, Tochigi.|
|1951||The company is reestablished in Kamihinata, Kanuma-shi.|
|1953||Manufacture of Doriot handpieces for dental use begins. As the business expands,
the company is incorporated and its name is changed to Nakanishi Shika Kikai (NSK) Seisakusho, Ltd.
|1957||Independent sales of NSK-brand decomposable KN-Contra begin.|
|1971||Manufacture of dental air turbine begins.|
|1975||Following the launch of mass-production for air turbines, super high-precision production facilities are reinforced. To respond to a dramatic increase in the variety and quantity of products sold, a Tokyo office is established in Ueno to improve customer services.|
|1979||Overseas exports of NSK brand products begin by an original route, with an overseas sales department established within the company.|
|1981||The company is reorganized into acorporation, and is renamed Nakanishi Dental Equipment Manufacturing Co, Ltd.|
|1982||Manufacture and sales of industrial ultra high-speed rotary equipment begin.|
|1984||NSK America Corporation is established in Chicago as a base for the U.S. sales and service network.|
|1988||Second plant (current B-wing) opens in Shimohinata, Kanuma-shi (location of the current headquarters) to reinforce production facilities in response to an increase in the variety and quantity of products.|
|1990||A new building (current A-wing) is added to the Shimohinata plant.|
|1993||Clean Head System wins the Applied Technology highest award for its significant contribution to preventing infection in the field of dental treatment in Europe.|
|1995||Another new building (current C-wing) is added to the Shimohinata Plant to enhance design, development, and production technologies.|
|1996||Nakanishi Dental Equipment Manufacturing Co, Ltd and Nakanishi Inc. are consolidated to become Nakanishi Inc. to integrate design and manufacture aiming for improving efficiency.|
|1997||Obtains certification of ISO9001, International Standard for Quality Assurance.|
|1999||Obtains certification of ISO14001, International Standard for Environmental Management System to promote environmentally sensitive corporate activities.
Best selling model of ULTIMATE 500 motoris released.
|2000||The company's stock is registered with the Japan Securities Dealers Association. To strengthen sales in the Middle East, arepresentative office is established in Dubai, United Arab Emirates.|
|2001||A new main building of the headquarters is completed in Shimohinata.
Ultrasonic scaler system, Varios, and Solid titanium handpiece Ti-Max are released.
|2003||NSK Europe GmbH is established in Frankfurt, Germany, to reinforce sales and service structure in Europe. Osaka branch is established to provide sales and services in Kansai area (western Japan).|
|2005||NSK France SAS is established in Paris, France, for further improve sales and service systems in Europe. NSK Shanghai Co, Ltd is established in Shanghai, China, as a site to promote sales and services in Asia.
Another new plant (CNC factory) is added to the headquarters.
|2007||NSK United Kingdom Ltd is established in London, and NSK Oceania Pty Ltd is in Australia. A representative office opens in Russia.
ABS-1200 receives the Nippon Brand award at the 4th Monozukuri Parts Awards.
|2008||Base in Europe, the European central warehouse in Frankfurt,
Germany (ECSC) function together NSK Euro Holdings has established.
NSK Dental Spain SA established in Spain.
Cutting-edge laboratory engine "Ultimate XL" was released.
|2009|| NSK Asia was established in Singapore as the base for
its South Asian sales and service network.
|2011||Tokyo office moved into a new building. A showroom
and seminar rooms were newly set up to enhance customer service.
|2013||NSK America Latina Ltda. (Brazil) is established|
|2017||Construction of new headquarters R&D Center building "RD1" in Shimohinata is completed|