About UPT

One of the keys to realizing a full-fledged IoT society, which are developed especially in AI, self-driving, electric vehicles (EV) and advanced healthcare services, is global manufacturing (monozukuri) along with the development and stable supply of high-performance ultra-fine electronic components.
United Precision Technologies Co., Ltd. (UPT) is a company that excels in the fine precision metal fabrications indispensable to the manufacture of such ultra-fine electronic components. We hold the leading global market share in smart-phone camera springs used for optical image stabilization and were chosen for the Global Niche Top Companies Selection 100, sponsored by the Ministry of Economy, Trade and Industry in 2020.

Corporate Overview


Company nameUnited precision technologies Co., Ltd.
Office Location3F Bungeishunju-Shinkan Bldg. 3-23 Kioicho, Chiyoda-ku, Tokyo 102-0094 Japan
Date foundedSeptember 7th, 2015
CapitalJPY 56 million
PresidentHidetsune Goto
Employees Domestic:243/Oversea:1350 1 *1 Included employees in group companies Included temporary staff.

United Precision Technologies USA,Inc.


Company nameUnited Precision Technologies USA,Inc.
Office Location25 Mauchly, Suite 325, Irvin, CA 92618



If you come by train

4–5 minutes on foot from subway Kojimachi Station.
7–8 minutes on foot from subway Hanzomon Station.

United Precision Technologies USA,Inc.

Corporate Philosophy


Contribute to the well-being of people around the world and realization of an affluent society through high value-added technology

Think ahead, Make differently

Core Values (decision-making and action standards)

Team Work

Business Overview


Main productsapplications
VCM springsOptical image stabilization springs for smartphone cameras
Semiconductor testingContact pins and components for semiconductor electrical testing
Industrial solutionsProcessing jigs
Components for automobiles
Components for optical devices
Components for healthcare
Components for other industries
UPT group provides high precision solutions. UPT, as a holding company of the group, manages group's strategy, marketing and technical development.

Medium-Term Management Strategy


Medium-Term Management Strategy

As an integrator with the world’s number one fine precision technologies as its core technologies, the UPT Group provides the public through the world’s leading companies with unique products and solutions that no other company can supply.
We have formulated a three-year medium-term management plan that extends from January 2022 to December 2024, and hereby present our management policies as below.
At the same time, we have also defined our Core Values, designed to serve as decision-making and action standards that employees can refer to while engaging in their self-starting and proactive activities, and are working to ensure these values take firm root throughout the group.

Generating innovation alongside customers

・Through our fine precision technologies, we will generate innovation alongside our customers to improve the lives of people worldwide.
・We will provide technologies meeting customer needs and strive to raise quality levels ever higher to earn great trust as a company group indispensable to society.

Growing with employees

・We will act based on the conviction that employees are a UPT’s most important assets.
・We will ensure UPT is a place for growth and that employees gain pleasure and satisfaction from their work.
・We will create links between people and create value through cooperation.

Engaging in business as a cohesive group

・We will work together to raise the corporate value of the UPT Group as a whole.
・We will engage in business as a technology company taking on the challenges of the future.
・We will pursue growth through sound and sustainable business operations and systems.

Group Network




Our company was established in September 2015 as a pure holding company "AP48" in Minato-ku, Tokyo to succeed the business of Kyosei Co., Ltd., which possesses photo-etching technology suitable for molding fine and precise shapes.
After that, in April 2017, the trade name was changed to United Precision Technologies Co., Ltd.

1951 Established
1963 Started manufacturing of precision metal parts through photo-etching
1972 Constructed Kawagoe Factory. Commenced the manufacturing of laminated magnetic head cores, mainly for industrial use, as secondary processing
1973 Established
1975 Started fabrication of precision metal parts and metal masks through photo-etching
1976 Started preproduction of precision metal parts through photo-etching
1984 Added a new factory building to Kawagoe Factory and introduced a fully-automated photo-etching line Constructed Head Office Factory (formerly, Yokohama Factory)
1985 Started volume production of precision metal parts through Photo-etching
1988 Established K.R. Precision Co., Ltd. in Thailand as a joint venture for production of suspensions for HDD magnetic mounts
1998 Sold all shares of K.R. Precision Co., Ltd.(currently, Magnecomp Precision Technology Public Company Limited) at the time of its listing on Thai stock exchange. Withdrew from the management of K.R. Precision Opened Head Office Factory (Currently, Yokohama Factory) as the business expanded.
2000 Started in-house plating facilities to shorten delivery time and manufacture trial products
2002 Established Kyosei Factory (Thailand) Co., Ltd., a manufacturing subsidiary, in Thailand
2015 Became a member of UPT Group Established AP48 Co., Ltd.
Kyosei Co., Ltd. became a consolidated subsidiary
2016 Opened a branch in South Korea to expand businesses in the country Installed automatic exposure machines
2017 Established Kyosei USA, Inc. for marketing and sales in North America.Provide research grants to University of California, Irvine. Became a member of UPT Group Started new photo-etching production lines Changed corporate name to United Precision Technologies Co., Ltd.Launched "ETCHING + ONE" solutions
Koken Chemical Co., Ltd. became consolidated subsidiary
2018 Acquired International Trading Centers certification to strengthen sales capabilities in Asia Opened Kansai Sales Office
2020 Established KYOSEI KOREA CO., LTD. For the purpose of production and sales in Korea.
Kyosei Korea branch is closed.
Selected by the Ministry of Economy, Trade and Industry (METI) as one of the companies in the 2020 Global Niche Top Companies Selection 100.
2021 Announcement of micro metal socket products for semiconductor testing
2022 Transfer the sales counters of each company to UPT and integrate the sales counters.



The basic concept of the internal control system and its maintenance status, the system for ensuring the appropriateness of the operations of United Precision Technologies Co., Ltd., and the operational status of the system are as follows.