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  1. Home
  2. Food Machinery
  3. プロトンエンジニアリング
Food Machinery
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プロトンエンジニアリング

EstablishmentMarch 26, 2018
addressTokyo/Shinagawa/3rd floor, Amuse Kobayashi Building, 7-9 Nandaioi 2-chome
phone03-6423-0478
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last updated:Sep 22, 2025
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  • Company information
  • Products/Services(8)
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  • news(24)

プロトンエンジニアリング Company Overview

Proton Engineering proposes quality improvement in the thawing and freezing processes, aiming to be one-of-a-kind!

Our company develops and manufactures rapid thawing equipment, providing optimal solutions for thawing and freezing processes. The Proton Thawing Machine supports both complete and partial thawing, enabling rapid thawing. Utilizing our unique technology, we leverage high humidity (100% humidity) and low-temperature environments to implement a thawing process that utilizes the latent heat of steam, achieving quick thawing while maintaining quality. Additionally, we organize packaging, volume, work frequency, and workflow according to customer needs, offering flexible proposals suitable for food factories. Furthermore, we conduct experiments and verifications from an engineering perspective to ensure reliable quality control. Companies looking to implement a reliable thawing and freezing system are encouraged to consult with us.

Business Activities

◆ The proton defroster achieves rapid defrosting by distributing low-temperature steam throughout the equipment (100% humidity: patented technology) - Juice sauces that took two weeks to fully defrost are completely defrosted in 24 hours and can be stored at 4°C as is. - A 2 kg block of chicken is fully defrosted in 3 hours. - Customized defrosting for products like bento boxes can be done in a few hours. ◆ An engineering company specializing in freezing and defrosting technology for food preservation. - A flexible system that can respond to the needs of businesses. - Proposals for renovations utilizing existing defrosting and freezing equipment or for the installation of new defrosting and freezing equipment are possible. ◆ We will introduce the utilization of national systems that leave cash available when introducing or renovating proton freezing equipment. - When introducing equipment, we can introduce and support subsidies and grants that match the timing of the introduction. - We can introduce and support tax incentive systems during the introduction or renovation of equipment.

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Products/Services (8)

[Delivery Case] Differential Pressure Freezing Warehouse / Low Temperature High Humidity Proton Defroster product image
[Delivery Case] Differential Pressure Freezing Warehouse / Low Temperature High Humidity Proton Defroster
Technical Diary: Proposal for Differential Pressure Booster (Freezing/Cooling) product image
Technical Diary: Proposal for Differential Pressure Booster (Freezing/Cooling)
Technical Diary: Cleaning Performance of Proton Defrosters product image
Technical Diary: Cleaning Performance of Proton Defrosters
Technical Diary: Is water thawing a bad defrosting method? product image
Technical Diary: Is water thawing a bad defrosting method?

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catalog(7)

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Proton Engineering Co., Ltd. <Proposing quality improvement through engineering of thawing and freezing processes>

Proton Engineering Co., Ltd. <Proposing quality improvement through engineering of thawing and freezing processes>

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Proposing quality improvement in thawing and freezing engineering!

Proposing quality improvement in thawing and freezing engineering!

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Proposing quality improvement in thawing and freezing engineering!

Proposing quality improvement in thawing and freezing engineering!

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Supermarket and store thawing machine "RENG-40"

Supermarket and store thawing machine "RENG-40"

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news(24)

スクリーンショット (294).png

Proton Engineering Co., Ltd. will participate in the 10th Drink Japan All-Sei-in Pavilion.

  • PRODUCT

Creating the future of manufacturing together. Proton Engineering Co., Ltd. will participate in the new project "Zen-Sei-In Pavilion" panel exhibition corner at the "10th Drink Japan" event, which will be held on December 4, 2025 (Thursday). The newly established Zen-Sei-In Pavilion is a special project zone that gathers attention-grabbing technologies and has garnered significant interest from industry professionals. On that day, we will display a panel introducing our initiatives, providing an opportunity to create new business opportunities with all attendees. When you visit the venue, please be sure to check out our panel as well.

Nov 25, 2025

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Achieve the latest "high-quality defrosting" with the manufacturing subsidy!

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Utilizing the "Manufacturing, Commerce, and Service Subsidy (High Value-Added Framework)" Up to 1/2 of the introduction cost for the proton thawing machine is eligible for subsidy. Achieve labor-saving, quality stabilization, and yield improvement in the production line, enabling cost-effective updates to the latest equipment. Features of the Proton Rapid Thawing Machine: ■ Prevents surface drying of food through low-temperature, high-humidity thawing ■ Drip suppression: Retains flavor and moisture even after thawing ■ Speedy thawing: From the conventional 6-8 hours to approximately 3 hours (example: 2kg chicken) ■ Uniform thawing: Simultaneous control of center and surface temperatures ■ Labor-saving and improved hygiene management: Automation of tasks through timer settings Manufacturing Subsidy General Framework 21st Call for Applications Application Deadline: Late January 2026 (planned) Maximum Subsidy Amount: 7.5 million to 25 million yen (varies by number of employees) Subsidy Rate: 1/2 Application requirements apply Implementation Steps: 1. Hearing and thawing test 2. Specification proposal and estimate 3. Subsidy application support 4. Installation and start of operation Contact Information: Proton Engineering Co., Ltd. 2-7-9 Minami-Oi, Shinagawa-ku, Tokyo TEL: 03-6423-0478 info@proton-eng.co.jp

Oct 19, 2025

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Introducing a proton thawing machine using the Small and Medium Enterprise Energy-Saving Investment Subsidy!

  • PRODUCT

"Proton Rapid Defrosting Machine" Achieves Labor Reduction and Quality Improvement on Site Do you have these challenges? ■ Takes a long time to defrost ■ Uneven defrosting and dripping occur ■ Significant quality deterioration and work burden ↓↓↓↓ Benefits of Introduction ■ Reduced working time ■ Improved quality and yield ■ Reduced food waste ■ Reduced work burden Introduction Steps 1. Hearing and defrosting test * You can purchase with confidence as a defrosting test can be conducted! 2. Specification proposal and estimate 3. Subsidy application support 4. Installation and start of operation Subsidy for Labor-Saving Investment for Small and Medium Enterprises - General Category 4th Call for Applications - Application Deadline: Late November 2025 (planned) Maximum Subsidy Amount 7.5 million to 80 million yen Varies by number of employees Subsidy Rate: 1/2 Application requirements apply Contact Information Proton Engineering Co., Ltd. 2-7-9 Minami-Oi, Shinagawa-ku, Tokyo TEL: 03-6423-0478 Mail: info@proton-eng.co.jp HP: https://proton-eng.co.jp/

Oct 19, 2025

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Detailed information

Company name プロトンエンジニアリング
Contact addresspostalcode 140-0013 Tokyo/ Shinagawa/ 3rd floor, Amuse Kobayashi Building, 7-9 Nandaioi 2-chomeView on map TEL:03-6423-0478
Industry Food Machinery
プロトンエンジニアリング Building Image

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