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Customers and business partners
We deliver world-class quality.
We were the first business to be accredited for pressure division by the JCCS (Japan Calibration Service System)
In 1998, we became the first business to receive JCSS accreditation for pressure division in Japan (accreditation #0080) for the Ueda Measuring Instruments Factory and established a calibration system based on Japanese national standards. We have been entrusted with JCSS calibration for three types of pressure gauges: deadweight testers, digital pressure gauges, and mechanical pressure gauges. We have the highest level of calibration accuracy in the nation.
We have also acquired internationally recognized ILAC-MRA accreditation for our calibration reports.
The Measurement Standards Section of our Quality Assurance Department uses JIS Q 17025 (ISO/IEC 17025) as the accreditation standard and has been accredited its scheme under JCSS managed by ISO/IEC 17011 criteria.
The accreditation body (IAJapan) that operates JCSS is a signatory to mutual recognition with the Asia Pacific Accreditation Cooperation (APAC) and the International Laboratory Accreditation Conference (ILAC).


ISO 9001 and IATF 16949 quality management system certified
Quality Policies
We provide safe, reliable, and high-quality products as a leading company in the field of pressure measurement. For that reason, we develop products that meet customer needs and expectations, while pursuing their satisfaction for quality, price, delivery, and service. We also comply with legal, regulatory, and customer requirements, while working to eliminate waste and increase productivity. To achieve these goals, we continuously improve the effectiveness of our quality management systems and also contribute to our local communities.
The Ueda Measuring Instruments Factory and Maruko Electronic Instruments Factory have acquired ISO 9001 quality management certification. The Maruko Electronic Instruments Factory has also acquired IATF 16949* quality management system certification for the automotive industry and ISO 13485 quality management certification, specifically for the medical device industry.
We will continue to develop activities that support continuous improvement, quality, customer satisfaction, and business growth, which is the purpose of these quality management systems.
*IATF 16949 means an international quality management system for the automotive industry.
Employees



Creating a healthy work environment where both women and men can thrive
We are building an environment where both men and women are equally able to continue working during such life events as childbirth, raising children, and caring for family members.
We are actively promoting women to managerial and supervisory positions, aiming to create a workplace where every employee can shine regardless of their type of job type or gender.
In addition, we are making every effort to promote the health of our employees, including providing free flu shots. We also participate in the Health Promotion Challenge Campaign for the Working Generation, a part of the Shinshu ACE Project organized by Nagano Prefecture, for which we were awarded a commendation.
Average monthly overtime hours
15.2hours (FY2023)
Average years of employment
17.8years (FY2023)
Average number of days taken with paid leave
13.6 days Paid vacation leave rate: 74.8 % (FY2023)
Stress check participation rate
94.4% (FY2023)*Conducted at all locations, including those with less than 50 employees.
Changes in employees smoking rate (%)
FY2021 | FY2022 | FY2023 |
---|---|---|
29.3% | 28.2% | 30.2% |
Number of employees taking childcare leave (by gender) FY2023
Category | Men | Women |
---|---|---|
Number of employees taking childcare leave | 4 | 12 |
Number of people eligible to acquire | 11 | 12 |
Rate of employees taking childcare leave | 36.4% | 100.0% |
Rate of women who are directors, audit & supervisory board members, and managers
Category | Women |
---|---|
Directors/auditors | 7.1% |
Managerial positions | 3.2% |
Ensuring diversity for women, core human resources, etc.
More than 20% of all supervisory positions (section chiefs, foremen and Assistant managers) will be filled to women by the end of March 2026 (3 years).

Our health management
We have developed the Health Management Declaration based on the belief that for a company to achieve sustainable growth, it is necessary for that company to be healthy and it is essential for every employee to be healthy, both physically and mentally.
Our Health Management Declaration
We are committed to positive support for the maintenance and promotion of the mental and physical health of employees and their families, while improving corporate value through the creation of a safe and vibrant work environment.
NAGANO KEIEKI CO., LTD.
Masatsugu Sato, President and Representative Director
Health management goals
1. We will positively support efforts to maintain and promote good health for employees and their families, to be sound in physical and mental health.
- Establish a system of activities for employee health maintenance and promotion as a company-wide initiative
- Provide opportunities for people to learn about the state of their own health
- Assess employee health issues and implement training and other activities for making improvements
2. We will maintain a safe, healthy, and vibrant work environment where every employee is able to work comfortably.
- Revise work processes to encourage flexible work and to reduce working hours
- Improve the work environment and sanitation facilities; take measures against passive smoking
- Initiatives to improve workplace relationships and communication
3. We will support employees in balancing work and private lives to improve productivity and work engagement.
- Various types of leave systems; medical checkup cost subsidies to encourage medical checkups
- Thorough time management and flexible work schedules by adopting an HR system
- Revise internal systems and the design of programs that value employee autonomy
Certified as a 2024 Health & Productivity Management Outstanding Organization (Large Enterprise Category)
In March 2024, we were recognized by the Ministry of Economy, Trade and Industry and the Nippon Kenko Kaigi as a 2024 Health & Productivity Management Outstanding Organization (Large Enterprise Category). We see health management as one of the most important ways we are able to improve corporate value. We will continue to create a work environment where employees can work comfortably and in good mental and physical health.
Health promotion framework
Local communities


Environmental conservation activities and contributing to local communities
We have been positively participating in volunteer activities such as trash pickup along river banks, flower planting and tree-planting activities organized by local governments as part of our environmental preservation activities and as a contribution to local communities.
We have also worked to revitalize the local community in the Ueda area of Nagano Prefecture by supporting festivals and events as well as through employee participation. We will continue to work with local residents to help develop local communities and conserve the environment, while fulfilling our responsibility as one of the leading companies in the region.
Green Action Tamagawa riverside cleanup: Organized by Ota City
We have continued to participate in cleanup activities along the banks of the Tama River organized by Ohta-Ku, together with neighboring companies, schools, and other organizations every year, led by employees of the head office. (Cleanup drives were cancelled in 2020 and 2021 due to COVID-19.)


Chikuma River Clean Walk: Organized by Ueda City
We promote a better understanding of the importance of the natural environment and landscape created by the Chikuma River, which flows through the center of Ueda City; Employees of the Ueda Measuring Instruments Factory, Maruko Electronic Instruments Factory, and Nagano Keiki Technical Solutions Center, together with workers from neighboring companies, hold a cleanup drive along the river around October every year. (This event was cancelled from 2019 due to damaged caused by Typhoon Hagibis in 2019.)


Trash was picked up around the Ueda and Maruko factories: Organized by R18 Gomi Zero Suishin no Kai
We have been helping to create a clean and livable environment by cleaning up the areas around our Ueda and Maruko plants in honor of May 30, Japanese is a date that can be playfully read as “zero garbage day,” and June, which is Environment Month. (Cleanup events were cancelled in 2020 and 2021 due to COVID-19.)


Shinshu International Music Village flower planting: Organized by the Yoda Chiiki Ongaku no Sato-zukuri Suishin Kyogikai
We have been carrying out an environmental improvement project (flower planting) in Shinshu International Music Village every year around June with employees from the Ueda Measuring Instruments Factory, Maruko Electronic Instruments Factory, and Nagano Keiki Technical Solutions Center together with members of the Yoda Chiiki Ongaku no Sato-zukuri Suishin Kyogikai.


The Ueda Environment Fair: Organized by Ueda City
For the purpose of raising awareness of global warming and interest in current environmental issues, various organizations in Ueda City hold exhibits and hands-on experiences related to the environment and consumerism around October every year.
As a member of the Nagano Association for Conserving the Environment, we have provided a touchable, interactive Earth exhibit with a commentary. (This event was cancelled in 2020 due to COVID-19.)




We will strive to create communities where people can live safely and securely.
To contribute to the development of a community where everyone can continue to live with peace of mind, we have concluded an agreement with the Ikegami Police Station of the Tokyo Metropolitan Police Department to provide information following a major disaster. If a major disaster happens, we will cooperate with the police station to provide safety and security to everyone in the community.
- Response after the Great East Japan Earthquake When the Great East Japan Earthquake on March 11, 2011, our head office, which faces a national highway, opened up restrooms to the public and made the lobby available as a rest area for people having difficulty returning home due to the earthquake.

- Replacing the Ueda Measuring Instruments factory’s concrete block wall on the west side with a new fence We replaced the plant’s concrete block wall, which had deteriorated after years of use, with a new fence, reducing the risk of a dangerous collapse.




- Support for youth baseball teams We open up the Maruko Electronic Instruments Factory grounds for youth baseball teams.