The Future of Freezing Is Here
Where Science Meets Quality: A New Generation Begins
MAGNETIC FREEZING
Leading a revolution in freezing technology.
PROTON's patented Japanese magnetic freezing technology helps control ice crystal formation and reduce cellular damage during freezing. As a result, it minimizes exudate and weight loss after thawing and better preserves the food's original properties, making the thawed product almost indistinguishable from its fresh counterpart.
TECHNOLOGY
25 Years of Innovation Serving Food Preservation
ICE CRYSTAL FORMATION & SIZE
20–50 µm
Conventional Freezing
0.1-0.3 µm
PROTON Magnetic Freezing
PROTON freezing technology combines static magnetic fields, electromagnetic waves, and controlled cold airflow to influence the organization of water molecules during freezing. This helps limit the formation and growth of large ice crystals, reducing damage to the cellular structure of food. As a result, taste, texture, and visual appearance are better preserved—even after thawing. It’s a breakthrough that redefines quality in food preservation.
PRESERVATION OF QUALITY
Near-Zero
Cellular Damage
Fresh Like
Color, Texture, Taste, and Aroma Preserved
PROTON Europe brings one of Japan’s most advanced freezing technologies to the European market. Unlike traditional systems, PROTON helps preserve food integrity at the cellular level, minimizing weight loss after thawing and better retaining its original organoleptic properties, including taste, texture, aroma, and visual appeal.
ENERGY EFFICIENCY & PERFORMANCE
30-45%
Energy savings vs. traditional systems
Zero
Recurring cryogenic gas costs
Low
Maintenance requirements
PROTON equipment is built for performance and sustainability. Thanks to optimal temperature stability and electromagnetic control, our systems reduce energy consumption while ensuring top-quality freezing — batch after batch.
THAWING LOSS & PRODUCT YIELD
< 0.3%
Thawing loss with PROTON
4–8%
Average thawing loss with conventional freezing*
*Results vary by product type, freezing conditions, storage and thawing method.
At industrial scale, every percentage point of thawing loss avoided becomes saleable yield. For a facility processing 10,000 tonnes per year, recovering just 1% represents 100 additional tonnes of product—before accounting for quality premiums or energy savings.
WHY CHOOSE PROTON?
Real Results.
Proven Impact.
More and more companies are choosing PROTON to stand out in a competitive market. Whether it's sushi-grade fish, premium meats or industrial bakery, our technology helps protect product value, maximize product yield and elevate quality standards. Discover how leading brands are using PROTON to lead with quality — and build trust
Company
Proton Technology in Key Metrics
27+
Years of Japanese R&D and industrial engineering
9+
Patent assets across freezing, thawing, refrigeration and biological preservation
Certified for EU industrial safety & machinery standards
2000+
Companies already working with PROTON
Our Customers
CHOSEN BY INDUSTRY LEADERS
Discover the latest from PROTON.
PROTON STORIES
Stories worth knowing.
New applications, real-world results and stories from Japan and around the world.
Why Wagyu Producers in Japan Choose PROTON Technology
From Our Own Ready Meals to Kitchenless Restaurants — Discover PROTON DINING
The World’s Best Restaurant 2024 chooses PROTON.
Convenience is shaping the future of food. We have been perfecting it for over 20 years.
This Is Why Caviar Producers Choose PROTON
The PROTON Car Comes to You
Our mobile service brings PROTON freezing directly to your home, restaurant or business—allowing your own products to be frozen on site. (Exclusive Service in Japan)
Built to Japan’s Highest Standards
In a culinary culture where seafood quality is judged with extraordinary precision, even the slightest loss of texture, colour or moisture matters. These uncompromising standards shaped PROTON: not simply to freeze fish, but to preserve the qualities that make it exceptional.
The World’s Best Restaurant chooses PROTON
Disfrutar — No. 1 in The World’s 50 Best Restaurants 2024 and holder of three Michelin stars — works with PROTON where culinary precision cannot be compromised.
For high-value products, preserving quality during freezing should be non-negotiable
PROTON helps protect the texture, color, moisture and structural integrity that determine a premium product’s sensory and commercial value after thawing.
Technology Validated by Two-Michelin-Star Chef Bernard Bach
“Indistinguishable from fresh.” His verdict after evaluating dishes preserved with PROTON.
Sashimi Defined the PROTON Mission
PROTON was born in Japan to solve one of freezing’s greatest challenges: preserving ingredients so that, after thawing, they could be served raw with the texture, moisture and quality required for sashimi.
The Evidence Behind PROTON Technology
SCIENTIFIC & TECHNICAL VALIDATION
Ice-Crystal Morphology & Structural Integrity
SMALLER, MORE UNIFORM ICE CRYSTALS
Polarized-light microscopy images provided by Dr. Tadahiko Mizuno show that ice crystals formed during PROTON freezing are substantially smaller and more uniform than those formed during conventional rapid freezing. By limiting the growth of larger ice crystals, this finer and more uniform crystallization helps reduce mechanical disruption of the food structure and supports better preservation of product quality after thawing.
Post-Thaw Biological Function Preserved
Hiramatsu et al., Journal of Parkinson’s Disease, 2022
DOI: 10.3233/JPD-212934
A peer-reviewed study conducted by researchers from Kyoto University and Sumitomo Dainippon Pharma found that iPSC-derived dopaminergic neurospheres cryopreserved using a PROTON Freezer in combination with Bambanker hRM showed favorable post-thaw viability. The cells retained dopaminergic markers, dopamine secretion, and electrophysiological activity equivalent to fresh spheres.
After transplantation into a Parkinsonian rat model, the cryopreserved cells survived, matured into dopaminergic neurons and produced measurable behavioural improvement.
Engineered. Defined. Protected.
PATENTED ENGINEERING
PROTON’s core-unit architecture integrates a substantially uniform static magnetic field, electromagnetic-wave transmission and rectified cold-air flow. This system-level design is documented through an international patent family, with granted patents in Japan and the United States.
WO 2008/117341 A1 · JP 4424693 B2 · US 8,127,559 B2
Recognized by the Industry.
AWARDS & RECOGNITION
Our Biomedical Division
CRYOPRESERVATION
