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

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

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

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

Innovation
We embrace continuous improvement and new technologies that push the boundaries of lighting culture.
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Stakeholder Relationships
We build trusted, long-term partnerships grounded in respect, communication, and shared growth.
ISO CERTIFICATION
ISO
9001:2015
(JET-0386)
QUALITY
MANAGEMENT
ISO
14001:2015
(E02-280)
ENVIRONMENTAL
MANAGEMENT
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.