Occupational Health and Safety

It is important for each and every employee to maintain and strengthen his or her mental and physical health in order to shine and flourish professionally. This in turn is only possible in a safe and comfortable work environment. KIOXIA Group therefore supports employees' occupational health and safety (OHS)1.

  1. In this section, “occupational health and safety” is abbreviated to “OHS.”

OHS Policy

KIOXIA Group’s OHS Policy in Japan was formulated in April 2017 following the declaration by senior management of its commitment to OHS, with the goal of having all employees embrace the same commitment.

KIOXIA Corporation2 Fiscal 2021 Basic Policy for Safety and Health

With the aim of being a corporation trusted by society and based on the management philosophy of respect for people, creation of rich value, and contribution to the lives and cultures of people around the world, the Company provides products, services, and mechanisms for enabling each person to realize a new future with memory technology at the core.

In its entire business activities, each and every worker³ will continue to devote oneself to “building a safe and delightful workplace environment and maintaining and promoting a healthy body and mind,” striving to enhance and improve occupational safety and health performance.

  1. The Company hereby declares that safety and health is the most important issue in its management. Under the leadership of Top Management, the Company will establish a safety and health management structure for the implementation of an effective occupational health and safety management system in accordance with management strategy, as well as decide on and provide the necessary resources to form a health and safety culture
  2. The Company is committed to comply with laws and regulations and other requirements.
  3. To provide a safe and healthy workplace in an ongoing manner by controlling risks and opportunities related to occupational safety and health and preventing labor-related injuries and illnesses, the Company will perform the following matters by setting goals and creating action plans:
    1) Identification and reduction of potential risks for new work processes (installation, tasks, introduction of materials, etc.)
    2) Potential risks in associated work and actions performed between each work step (in accordance with the actual safety management situation at each site)
    3) Re-evaluation of risk for risk level III or above and reduction of new potential risks
    4) Continued promotion of effective and focused measures with respect to the risk of infectious diseases
    5) Improvement of occupational safety and health awareness and evaluation of recognition, maintenance, and effectiveness of competence
  4. Strive to “cultivate a healthy culture” by ascertaining the state of health management with the aim of practicing “health-focused operations”, identifying issues, and promoting measures that maintain and improve the physical and mental health of employees and improve health literacy
  5. In its entire business activities, the Company will appropriately consult workers and their representatives about safety and health initiatives, assisting them in participating in these initiatives.
  6. Valuing needs and expectations of stakeholders in mutual communication with them, the Company will contribute to the enhancement of the level of social safety and health management.

April 1, 2021
Nobuo Hayasaka, President and Chief Executive Officer,
KIOXIA Corporation

KIOXIA Group’s OHS Policy in Japan (FY2021)

KIOXIA Group’s OHS Policy in Japan (FY2021)
  • 2  The scope of this policy is the KIOXIA domestic group.
  • 3  Across its entire range of business activities, “each and every worker” includes all those involved in KIOXIA’s business in various different roles, including contract employees, subcontractors, suppliers and business partners.

Promotion of OHS

KIOXIA Group in Japan places health and safety supervisors within the Human Resources and Administration Division of each group company to support OHS activities among employees. Periodical reports on the health and safety of employees are also made to the President and Executive Officer in charge of human resources. 

KIOXIA Group’s Japan OHS Management Structure 

KIOXIA Group’s Japan OHS Management Structure KIOXIA Group’s Japan OHS Management Structure

OHS Management System

KOIXIA Group acquired occupational health and safety management systems certification (ISO 45001:2018) in January 2021. This system enables us to identify and assess organizational health and safety issues, raise the profile of these, and make continuous improvements in order to reduce the risk of non-compliance with relevant legislation.
KIOXIA Group also strives to improve our safety management procedures through the consistent efforts of our member organizations and individual employees in their daily activities.
These efforts include the creation of small workplace groups undertaking a variety of activities on an ongoing basis; these encompass workplace improvement programs, education and training to increase risk awareness among employees, and monitoring to ensure that appropriate practices are being followed.
KIOXIA Group will further improve our safety management processes through a combination of initiatives based on employee networks and the ISO 45001-based management system.

Acquisition of ISO 450001:2018 certification

* Table can be scrolled horizontally.

Name of company

Certified body

Certificate expiry date

Approval certificate No.

Kioxia Corporation

JACO: Japan Audit and Certification Organization for Environment and Quality

March 28, 2025


Solid State Storage Technology Corporation

DNV.GL (Currently DNV)

November 23, 2024


Health and Safety-Related Initiatives (FY2020)

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Health and Safety

  • Planning and implementation of promotional plan based on OHS Policy
  • Health and safety awards
  • Business site OHS committees, workplace OHS meetings
  • Internal audits and external certifications
  • Periodical reports to the president

Safety only

  • Risk assessment to identify sources of danger and steps that can be taken to mitigate those risks
  • Safety reviews when installing or modifying equipment
  • Operation of specialist internal safety committees
  • Sharing of information and holding discussions with labor unions and on-site subcontractors

Health only

  • Thorough implementation of health measures in full compliance with relevant legislation
  • Promotion of measures to prevent health problems caused by passive smoking
  • Measures to combat brain, heart and lifestyle-related diseases
  • Measures to improve mental health
  • Health management for those posted overseas or on business trips
  • Promotion of activities to support workplace engagement4 and workplace energization
  • Measures to prevent the spread of diseases
  • 4 Workplace engagement: having a positive and fulfilling attitude toward work.

OHS Awareness Raising and Education

OHS Education

KIOXIA Group in Japan endeavors to enhance our employees' OHS understanding and skills. On top of the education required by the Industrial Safety and Health Act, we implement education programs for employees who are newly appointed to OHS-related posts, as well as for mid-career OHS employees. We also run practical training programs devised by each operational site.

Key OHS Training Results (FY2020)

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Type of Training

No. of Eligible Employees

No. of Participants

Training related to job promotion (OHS)



Mental health training



Post-recruitment training (OHS, road safety, etc.)



Various types of training based on Industrial Safety and Health Act
(for workplace managers, health supervisors, covering the use of industrial robots, safety equipment, etc.)



Competence improvement training
(OHS promotion committee members, risk assessors, internal auditors, etc.)



Each work site also conducts its own training in addition to the activities listed here.

Workplace Accidents

KIOXIA Group in Japan will continue to implement further measures to prevent workplace accidents. In particular, we will prioritize the reduction of hazardous risks that could lead to illness or serious injury and conduct risk assessments of all workplaces and tasks. Leveraging the results of this risk assessment, we will identify current and potential risks, review work methods, and systematically take any necessary measures to reduce and eliminate such risks. Furthermore, the Group will improve facilities and provide comprehensive OHS training for all employees.

Frequency of Injuries Resulting in Lost Working Time5 at KIOXIA Group in Japan

Frequency of Injuries Resulting in Lost Working Time at KIOXIA Group in Japan Frequency of Injuries Resulting in Lost Working Time at KIOXIA Group in Japan

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All Industries (average)




Manufacturing Industries (average)








  • 5 Frequency at business sites of KIOXIA Group in Japan (manufacturing, non-manufacturing, R&D).
    Frequency = number of casualties due to work-related accidents / total actual working hours x 1 million.
    Figures for all industries collated from respective fiscal year issues of the Ministry of Health, Labor and Welfare’s “Survey of Industrial Accidents.”