DNA of “Precision”KurodaJenatecHistoryDNA of “Precision”: A history of craftsmanship passed on from one generation to the other

A legacy of technological expertise supporting a wide variety of industries since 1925


Founder Saburo KURODA
Founder Saburo KURODA

Kuroda Gauge Manufacturing Co., Ltd. was founded by Saburo Kuroda for the manufacture and sale of all types of gauges. Promoted industrial production of interchangeable parts (American system) using gauges.


Kuroda Gauge Manufacturing Co., Ltd was reorganized into a limited partnership company.


After Kuroda Gauge Manufacturing Co., Ltd was reorganized into a limited partnership company, the company was reorganized into a stock company.


Kuroda built its first surface grinding machine.


Kuroda became the first in Asia to receive the certification of compliance for reference master gauge from American Petroleum Institute (API).

Around 1960

Developed an electro-hydraulic pulse motor jointly with FUJITSU.

Electro-Hydraulic pulse motor


Developed a universal boring head.

UFB(boring heads)


Kuroda Gauge Manufacturing Co., Ltd. changed its corporation name to Kuroda Precision Industries, Ltd.

1960 ~ 1970s

Kuroda developed a nuclear power related measuring instrument.

Large-scale neutron diffraction devices


Jena Zeiss (Germany) expands precision ball screw product lines. Series production of single ball screw were introduced.


Kuroda developed ”FASTEC®”, an in-die stacking system.


Carl Zeiss JENA developed an award winning license in India for ball thread drive production.


Kuroda started selling rolled ball screws

rolled ball screws


JENOPTIK Carl Zeiss Jena GmbH created a spin-off in Neff JENOPTIK GmbH.


Jenaer Gewindetechnik GmbH was acquired by Ferraris Group, a British medical technology company. In that same year, Jenaer Gewindetechnik GmbH received certification DIN ISO 9001 by TÜV CERT


JENATEC, Inc. USA was founded as a subsidiary of Jenaer Gewindetechnik GmbH.


Kuroda developed ”ECOSAVER®”, a minimal quantity lubrication system.



Kuroda's Construction of the 6th and 7th factories, Nagano Plant and Asahi Plant.


Kuroda started selling motor cores for hybrid engines. Kuroda also developed ”NANOMETRO® FTT”, a surface shape measuring instrument for large-scale liquid crystal photomask substrates.


Having achieved considerable success with precision ground and rolled ball screws and machining spindles to the US market, JENATEC, Inc. USA expands its product lines to include the SBC Linear Rail Guideway Systems.


With continued focus on precision technologies across the globe, Jenaer Gewindetechnik GmbH received certification DIN ISO 50001 by TÜV CERT and Kuroda Precision Technologies, Ltd received certification DIN ISO 9001 and ISO 14001by TÜV CERT.


KURODA JENATEC, Inc. expands its US operations, serving as a central hub of its products manufactured throughout the world, to better accommodate the industry’s demand of quick delivery inventory.


Kuroda developed and sold compact measuring instruments.

Compact precision measuring instrument SM-3


Kuroda was featured as a distinguished domestic manufacturer in the Journal of The Japan Society of Mechanical Engineers.


Kuroda's Onuki Laboratory, the predecessor of Futtsu Factory, was established.


Developed and sold precision metal press dies for motor cores.


Became the first plant authorized to use the JIS mark.

Around 1960

Kuroda developed the world’s first 3D large-scale screw measuring instrument, along with various measuring instruments such as the interference micrometer.

3D measuring instruments


Developed pneumatic equipment.


Kuroda launched the Machine Tools business.


Under the influence of Carl Zeiss, a German scientific instrument maker, optician and businessman the construction of a “Rolling screw drives” production facility was built with its own sales department and self-developed special measuring technology in Jena Germany under the name of Carl Zeiss JENA. This plant featured product portfolio from 20mm to 125mm screw diameters.


Kuroda (Japan) made full-scale expansion in the ball screw and NC turning market. Series production of single ball screws were introduced.


Kuroda developed ”HADOMER”, an intermittent sequential pneumatic compressor.


Kuroda manufactured Japan’s first thread gauges for premium pipes.


Kuroda developed a compact pneumatic control system, a magnetic head grinding machine, and developed ”UNI-WIRE”, a wiring saving parallel/serial converter.


Kuroda developed the ”Super Polishing Machine”


Jena Zeiss collaborated with Jenoptik which laid the foundation for the famous “Made in Germany” proclamation for precision, quality, solid engineering and craftsmanship. The company name became JENOPTIK Carl Zeiss Jena GmbH and then Jenoptik GmbH.


German operations renamed the ball screw manufacturing to Jenaer Gewindetechnik GmbH as a subsidiary company of the Jenoptik Group. This new subsidiary moved the company to Jena-Göschwitz Industrial Park, Jena Germany with over 6000 sf manufacturing space.


Kuroda developed ”NANOMETRO®”, an ultra-precision surface shape measuring instrument for silicon wafers.



Kuroda's Construction of a new factory at the Futtsu Plant for production of ball screws.


Jenaer Gewindetechnik GmbH begins manufacturing the production of miniature ball screws


Jenaer Gewindetechnik GmbH and Jenatec, Inc. USA becomes a wholly owned subsidiaries of Avingtrans plc in England


Kuroda's Kazusa Akademia Plant was completed.


JENATEC, Inc. USA and Jenaer Gewindetechnik GmbH become wholly owned subsidiaries of Kuroda Precision Industries, Ltd., expanding its global footprint in precision technologies under the worldwide brand of KURODA JENATEC. , Inc.

The addition of Jena Tec, with its manufacturing facilities and sales network in Germany and the United States, allowed KURODA to immediately strengthen its presence in Europe and North America and to utilize the synergistic effects from the integration of a fellow manufacturer of linear motion systems. Drawing upon the dual legacies of Japanese and German precision engineering, the new global brand of KURODA JENATEC was born.

2025    - Towards KURODA’s 100th anniversary -

The large number of technologies and products under the KURODA JENATEC brand has accumulated over its more than 90 years of history cover a variety of fields, ranging from machining to measurement. KURODA believes that its ability to combine various technologies to solve its customers’ issues is one characteristic that puts KURODA in a unique position. Our Companies, under the KURODA JENATEC brand, intend to keep true to its principles even beyond its 100th anniversary, continuing to contribute to the progress of the industrial society at large and the mutual development of customers, shareholders, community, personnel and company, as well as establishing ”Precision by KURODA JENATEC” as a worldwide brand of quality and trust.

Motion Controls systems business : Aiming at being the compact linear motion system manufacturer with the shortest delivery time

”Motion controls systems” are mechanical elements essential for machines to move accurately. By leveraging the proven precision technology passed down in the company since its foundation and its global network, KURODA can not only provide various motion control system products including precision ground ball screws, but also offer solutions ranging from design of the motion control system product to manufacturing, sales, and after-sales services. Hereafter, KURODA JENATEC, with the aim of becoming a global brand of precision linear motion systems, will further work on its ability to provide solutions to add units and systems to its offering in order to respond to the needs of any industry with proven precision technology.