philosophy

MESSAGE

With fresh perspectives and original thinking, we bring dreams and inspiration to people and society, shaping a world full of new possibilities.

Through bold ideas and a commitment to innovation, we create new value that moves hearts, elevates everyday life, and delivers moments of excitement and delight, making people say, “This is good.”

Susumu Sakuma
Susumu Sakuma
President

OUR SLOGAN

IN SEARCH OF
WHERE
LIGHT BELONGS,

illuminating the future.

Across residential, retail, and public environments, Koizumi Lighting develops luminaires, designs lighting systems, and creates comfortable spaces.

Committed to the quality of light, from the incandescent era to today’s LED technology, we continue to deliver optimal lighting solutions worldwide under our enduring motto, IN SEARCH OF WHERE LIGHT BELONGS, illuminating the future as an environmental solutions company.

OUR VISION

OUR VISION

TOWARDS AN
ENVIRONMENTAL
SOLUTIONS COMPANY

  • R&D-driven facilities that exemplify sustainable innovation, setting benchmarks for energy efficiency and environmental stewardship.
  • Ongoing initiatives, including Dali, that drive a greener future, advancing renewable energy, waste reduction, and circular economy practices worldwide.

OUR VALUES

WE UPHOLD THE PRINCIPLES THAT DEFINE WHO WE ARE

  • Organizational Alignment

    Organizational Alignment

    We work collectively to realize our vision, ensuring consistency and clarity across all actions.

  • Optical Quality

    Optical Quality

    We pursue the highest precision and clarity in light, upholding strict standards in every solution we deliver.

  • Effective Solutions

    Effective Solutions

    We place importance on execution—turning ideas into practical, reliable results for every environment.

  • Originality

    Originality

    We value unique thinking and fresh perspectives, creating lighting that stands apart with purpose.

  • Innovation

    Innovation

    We embrace continuous improvement and new technologies that push the boundaries of lighting culture.

  • Stakeholder Relationships

    Stakeholder Relationships

    We build trusted, long-term partnerships grounded in respect, communication, and shared growth.

Environmental Commitment

ISO CERTIFICATION

We manage quality and environmental performance across the KOIZUMI Lighting Group through internationally recognized management systems, ensuring consistent product reliability while continuously minimizing our environmental impact.

ISO

9001:2015

(JET-0386)

QUALITY
MANAGEMENT

ISO 9001 is an international standard that helps improve customer satisfaction by ensuring the quality of our products and services and continuously enhancing our quality management system. Through ISO 9001 audits, we strengthen the effectiveness of our system and gain insights that drive ongoing improvement.

ISO

14001:2015

(E02-280)

ENVIRONMENTAL
MANAGEMENT

ISO 14001 is an international standard for environmental management systems that promotes sustainability by reducing environmental risks while aligning environmental initiatives with business operations. Through ISO 14001 audits, we strengthen the effectiveness of our system and gain insights that drive continuous improvement.
Environmental Commitment

SBT VALIDATION & CARBON NEUTRALITY

SBT VALIDATION & CARBON NEUTRALITY

The KOIZUMI Lighting Group has achieved SBT (Science Based Targets) validation for its greenhouse gas (GHG) reduction targets. Our near-term GHG target for 2030 has been recognized as aligned with the “1.5°C pathway” of the Paris Agreement.

To achieve carbon neutrality by 2050, we have established GHG reduction targets across the Group and will continue to advance initiatives that reduce emissions and promote sustainability.