Material procurement

Fundamental material procurement policy

1. Partnerships

Hamamatsu Photonics’ production activities are supported by the cooperation of our business partners based on relationships of mutual trust. We endorse the aims of the Declaration of Partnership Building* and build relationships that enable mutual trust and co-development, seeking to enhance communication with our partners and establish good business relationships.


* Declaration of Partnership Building portal site (Japanese)

2. Fair and equitable transactions

Hamamatsu Photonics selects and evaluates business partners in a fair and comprehensive manner based on the quality, price, and delivery date of procured items, technological capabilities, the trustworthiness of their management, and their initiatives for responsible corporate behavior. We also share fair and equitable transaction opportunities and engage in transactions with business partners who possess outstanding competitiveness.

3. Legal compliance

Hamamatsu Photonics complies thoroughly with the related laws and regulations and engages in responsible procurement activities with consideration for quality, the environment, human rights, occupational health and safety, and information security.


* Legal and corporate compliance

4. Green procurement

Hamamatsu Photonics continues to engage in business activities in harmony with the environment, with due consideration of resource conservation and environmental conservation. We encourage the use of supplied materials that consider the reduction of environmental impacts.


* Green procurement


* Environmental management

5. Responsible minerals sourcing

Hamamatsu Photonics has established a basic policy on responsible minerals procurement, and sources minerals from certified conflict-free smelters and refiners.

* Responsible minerals sourcing

6. Consideration of human rights, labor, and occupational health and safety

With regard to human rights, labor, and occupational health and safety, Hamamatsu Photonics complies with relevant laws, regulations, international rules, and the spirit of these. We respect human rights, reject all forms of discrimination, and engage in transactions with business partners who strive to achieve safe and comfortable workplace environments.


* Basic stance on human rights and labor


* Respect for human rights and diversity


* Working conditions


* Health management


* Occupational health and safety

7. Technological capabilities

Hamamatsu Photonics takes pride in its technological capabilities, the top in the world of optical technologies. These capabilities are supported by the foundation that is our business partners. To create new optical technologies and industries through our groundbreaking technological capabilities, Hamamatsu Photonics actively recruits partners who possess unique, specialized, or other advanced technological capabilities.

Requests to our business partners

1. CSR-conscious procurement

Hamamatsu Photonics requests that business partners operate in accordance with our supply chain CSR promotion guidebook and construct a management framework for doing so.


* Sustainability at Hamamatsu Photonics


* CSR at Hamamatsu Photonics


* Supply chain CSR promotion guidebook (download link below)

2. Stable supply

In recent times, procurement difficulties may occur due to a number of reasons. Hamamatsu Photonics requests that business partners cooperate with each other and make every effort to ensure stable supplies.

3. BCP measures

Hamamatsu Photonics requests that business partners engage in business continuity planning (BCP) to minimize damage and to ensure business continuity and early recovery in the event of a disaster, fire, or other emergency.


* Business continuity planning (BCP)

4. Promotion of EDI 

Hamamatsu Photonics uses a proprietary ordering system (HPK-EDI) and requests that business partners use this system in the handling of orders, shipments, etc. We also promote the transition from FAX and other simple means (e-mail EDI) to WEB-EDI.


EDI material procurement system

5.Provision of high-quality and competitive products and services

Hamamatsu Photonics requests that business partners offer competitive quality, prices, and delivery schedules in the provision of products and services. To maintain and improve these qualities, we also request that partners continually engage in technological development and the enhancement of their technological capabilities. We further request that partners enforce the management of counterfeit electronic components, semiconductors, and other products.

6. Quality control

Hamamatsu Photonics has established a quality policy under which we strive to contribute to the advancement of society and humankind in order to satisfy customers. Quality control is the foundation of our production activities. We request that business partners construct quality management systems and effect continuous improvements.


Quality control

7. Management of chemical substances in products

To comply with countries’ environmental laws and regulations, to prohibit and reduce the use of harmful chemical substances, and to restrict emissions, Hamamatsu Photonics promptly requests information on chemical substances contained in supplied materials.


* Management of chemical substances in products

8. Application for change and notification of production discontinuation

Changes to or discontinuation of products that Hamamatsu Photonics purchases have a significant impact on our product quality and production continuity. We request that business partners cooperate with our procedures for application for change.

9. Information security

Confidential information and personal information disclosed or shared by Hamamatsu Photonics may not be disclosed to any third party without our consent. We further request that business partners make efforts to reduce information security risks, guard against cyberattacks, protect personal information, prevent leaks of confidential information, and strengthen information security.

10. Cooperation with surveys and improvement requests

To facilitate ongoing transactions, Hamamatsu Photonics requests that business partners cooperate in responding to surveys and improvement requests in areas including CSR, BCP, quality control, and responsible mineral sourcing.