Quality Initiatives
Quality Philosophy
Quality means the quality of our work, and we are never satisfied with the status quo, but always pursue reforms based on new ideas.
Quality Policy
- We set quality targets, ensure that the PDCA cycle is implemented, and make continuous improvements.
- We anticipate our customers’ demands and expectations and take on the challenge of improving and developing our technology.
- We have acquired high-quality techniques and skills, and are committed to providing glass processing products that will satisfy our customers.
ISO9001 Certification Obtained

Review Period | Japan Quality Assurance Organization (JQA) |
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Registration Number | JQA-QM9906 |
Registered Business | Industrial Glass Division Fujioka Plant |
Registration Date | April 25, 2003 |
Registration Renewal Date | February 27, 2024 |
Date of Expiry | February 26, 2027 |
Compliance Standards | International standard for quality management systems “ISO9001” |
Scope of Registered Activities | ・Design, development, and manufacturing of glass substrates for large photomasks ・Design, development, and manufacturing of vacuum-coated products for flat panel displays ・Manufacture of automotive rearview mirror glass and mirrors, as well as other vacuum-coated products |
Affiliated Businesses | Tokyo Optex Co., Ltd. 1407 Hongo, Fujioka City, Gunma Prefecture Lens assembly, processing, and manufacturing of other general optical components Design, development, and manufacturing of chemically strengthened glass |
Environmental Initiatives
Environmental Philosophy
We supply cutting-edge glass processed products in the information and communications field.
We value limited resources, strive to live in harmony with nature, and strive to preserve the global environment and its abundant greenery.
Environmental Policy
- We will set environmental objectives and targets, conserve resources and energy, recycle, and reduce waste.
- Establish and maintain communication regarding the environment with customers, business partners, local communities and government authorities.
- We will regularly review our environmental management system, management of chemical substances contained in products, and environmental management activities, and strive for continuous improvement to promote the reduction of environmental impact and the prevention of environmental pollution.
- We will comply with environmental laws and regulations and other requirements to which we subscribe.
ISO14001 Certification Obtained

Review Period | Japan Quality Assurance Organization (JQA) |
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Registration Number | JQA-EM3781 |
Registered Business | Industrial Glass Division Fujioka Plant |
Registration Date | February 27, 2004 |
Registration Renewal Date | February 27, 2025 |
Date of Expiry | February 26, 2028 |
Compliance Standards | ISO14001, the international standard for environmental management systems |
Scope of Registered Activities | ・Design, development, and manufacturing of glass substrates for large photomasks ・Design, development, and manufacturing of vacuum-coated products for flat panel displays ・Manufacture of automotive rearview mirror glass and mirrors, as well as other vacuum-coated products |
Affiliated Businesses | Tokyo Optex Co., Ltd. 1407 Hongo, Fujioka City, Gunma Prefecture Lens assembly, processing, and manufacturing of other general optical components Design, development, and manufacturing of chemically strengthened glass |