Powering a Greener Future
Our commitment to environmental stewardship drives every innovation. As a certified Zero Emission Challenge company, we're leading the transition to sustainable energy solutions.
Zero Emission Challenge
In 2021, TOKYO RECTIFIER was officially recognized by Japan's Ministry of Economy, Trade and Industry as a Zero Emission Challenge company, acknowledging our dedication to carbon neutrality and sustainable business practices.
Renewable Energy Focus
100% of our flagship TNPL systems operate on renewable solar energy
Circular Economy
Battery reuse programs extend product lifecycle and reduce waste
Efficiency Innovation
Continuous improvement in energy conversion efficiency
Carbon Neutral by Design
Our Environmental Impact
Measurable results in sustainable energy deployment
Solar Installations Nationwide
Energy Efficiency Rating
Zero Direct Emissions
Years of Proven Performance
UN SDG Alignment
Contributing to global sustainable development goals
Affordable and Clean Energy
Our DC power systems and solar integration solutions provide access to affordable, reliable, and modern energy services.
- Grid-independent renewable energy systems
- High-efficiency power conversion
- Cost-effective energy storage solutions
Industry, Innovation & Infrastructure
Continuous R&D and patented technologies drive sustainable industrialization and foster innovation.
- Patented charging technology
- NEDO research partnerships
- Critical infrastructure support
Climate Action
Zero Emission Challenge certification demonstrates our commitment to combating climate change.
- METI Zero Emission certified
- Carbon-neutral operations
- Battery recycling programs
Environmental Initiatives
Active programs driving sustainability
Battery Reuse Program
Our innovative reuse battery systems give second life to batteries, reducing electronic waste and providing cost-effective storage solutions.
Efficiency Research
Continuous R&D partnership with NEDO focuses on maximizing energy conversion efficiency and minimizing system losses.
Kawasaki Monozukuri Brand
Certified as a Kawasaki Monozukuri (Manufacturing) Brand for our DC-powered LED lighting system, recognized for environmental excellence.
MOE Subsidy Project
Selected for Ministry of Environment subsidy program in 2020, advancing renewable energy integration technologies.
Our Commitment
"At TOHSEI, sustainability is not just a goal—it's our foundation. Every product we develop, every partnership we forge, and every innovation we pursue is guided by our commitment to creating a cleaner, more sustainable world for future generations."
TOHSEI - TOKYO RECTIFIER CO.,LTD.
Zero Emission Challenge Company
Join Our Sustainability Journey
Partner with TOKYO RECTIFIER to implement sustainable power solutions that make a real difference.