Japanese patents are often full of creative ideas that reflect the richness of Japanese food culture. We’ll explore a selection of patented technologies with the potential to enhance dining experiences, alongside new application ideas inspired by each technology.
- Food Patent 1. Pressed Sushi with Layered Ingredients
- Food Patent 2. Layered Structure of 3D-Printed California Rolls
- Food Patent 3. Message Imprinted on Shiitake Mushroom Surface
- Food Patent 4. Process for Freezing Mandarin Oranges with Optimized Perforation
- Food Patent 5. Shaped Rice Ball Molds for Animal-Themed Onigiri
- Food Patent 6. Skewered Hamburger with Layered Components
- Food Patent 7. Natto Packaging with Easy Stirring and Serving Feature
- Food Patent 8. Method for Making a Candied Apple with Textured Coating
- Expanding Dining Possibilities with Patent Technology
Food Patent 1. Pressed Sushi with Layered Ingredients
Patent Overview

This patent focuses on a technique for creating pressed sushi with beautifully layered ingredients and rice. By using a specialized mold, the layers are compressed uniformly, ensuring the sushi holds its shape while delivering a visually appealing cross-section. This method not only enhances the aesthetics but also balances the flavors, as each layer remains intact during slicing. Pressed sushi created with this technology is perfect for large gatherings, catering services, and even home celebrations, offering both stability and elegance.
Application of the Technology
- Premium Bento Box for the Luxury Market: This technique can be adapted to create visually stunning sushi in transparent containers for high-end bento boxes, ideal for corporate meetings or special events.
- Creative Layered Desserts: Use this layering concept for cakes, jellies, or chocolates, offering multiple flavors in a single serving while maintaining an aesthetically pleasing design.
Food Patent 2. Layered Structure of 3D-Printed California Rolls
Patent Overview

This patent introduces a method of creating California rolls using 3D printing technology. The precise control offered by 3D printers allows for accurate placement of ingredients in visually appealing layers. Unlike traditional hand-rolled sushi, which may suffer from uneven distribution of ingredients, this method ensures uniformity. Additionally, layers can include different fillings and seasonings, offering a unique taste experience. This innovative approach combines traditional sushi-making with cutting-edge technology, paving the way for new culinary possibilities.
Application of the Technology
- Customizable Nutrition-Focused Meals: Leverage 3D printing to create personalized sushi rolls tailored to individual dietary needs, suitable for school lunches or hospital meals.
- Themed Sushi for Events: Develop sushi designs based on popular characters or motifs for use at theme parks, events, or parties, adding an element of entertainment to dining.
Food Patent 3. Message Imprinted on Shiitake Mushroom Surface
Patent Overview

This patent describes a technology for imprinting messages or illustrations onto the surface of shiitake mushrooms. The process preserves the mushroom’s natural texture while adding a layer of visual or communicative value. These personalized mushrooms can be used in events, promotional campaigns, or as unique gifts. Whether it’s a heartfelt message or a corporate logo, this technology transforms simple ingredients into memorable items that combine functionality and creativity.
Application of the Technology
- Promotional Food Items for Events: Incorporate message-imprinted mushrooms into event catering, where guests can take home these personalized items as unique souvenirs.
- Educational Food Products: Use this technology to print letters, numbers, or illustrations onto vegetables for educational purposes, making food fun and engaging for children.
Food Patent 4. Process for Freezing Mandarin Oranges with Optimized Perforation
Patent Overview

This patent solves common issues associated with freezing mandarin oranges, such as loss of juice and compromised texture during defrosting. By introducing micro-perforations in the orange peel, this technique balances internal pressure, ensuring even freezing and minimal juice loss. The result is a frozen fruit product that maintains its natural flavor, texture, and appearance. This innovation is ideal for expanding the frozen fruit market and improving the convenience of fruit consumption in households and restaurants.
Application of the Technology
- Outdoor-Friendly Frozen Snacks: Package frozen mandarin oranges in individual wraps for easy consumption during picnics or camping trips, offering a refreshing and healthy snack option.
- Fruit Cubes for Beverages: Create frozen mandarin cubes for use in cocktails or juices, enhancing drinks with both flavor and visual appeal.
Food Patent 5. Shaped Rice Ball Molds for Animal-Themed Onigiri
Patent Overview

This patent introduces molds for making rice balls in the shape of animals. By simply filling the mold with rice and pressing, users can create fun shapes such as rabbits or bears. Designed with children in mind, this product encourages creativity and enjoyment during mealtimes. Perfect for school events, birthday parties, or family gatherings, these molds also offer potential customization options, allowing for various designs that cater to different occasions.
Application of the Technology
- Cooking Workshops for Families: Host parent-child cooking classes using these molds to make animal-shaped onigiri, promoting bonding and fun through food preparation.
- Tourist Souvenirs: Combine local ingredients and animal-shaped molds in a DIY kit, creating a unique souvenir product for visitors to regional areas.
Food Patent 6. Skewered Hamburger with Layered Components
Patent Overview

This patent proposes a method for constructing hamburgers in layered form with a skewer for support. Traditional hamburgers often face the problem of disassembly during consumption, but this technology keeps all components intact. The skewer not only provides structural integrity but also adds height and visual appeal, making it particularly suitable for outdoor settings or festive occasions. The flexibility of ingredient arrangement also allows for customized versions, offering opportunities for creativity in menu planning.
Application of the Technology
- Barbecue-Specific Kits: Develop convenient burger kits designed for outdoor cooking, complete with pre-layered ingredients and skewers for easy assembly.
- Healthy Alternatives: Promote vegetable-based or low-calorie versions of skewered burgers, appealing to health-conscious consumers and diversifying options in the burger market.
Food Patent 7. Natto Packaging with Easy Stirring and Serving Feature
Patent Overview

This patent focuses on a specialized natto packaging designed to simplify the process of stirring and serving. Traditional natto containers often result in messiness due to the sticky, stringy nature of natto. This innovative packaging incorporates a built-in stirring mechanism that allows users to mix the natto without spilling or creating excess strings. Additionally, the design facilitates easy transfer of the natto from the container to a serving dish, improving overall convenience and cleanliness. The patent emphasizes both functionality and user experience, making it ideal for home use as well as for convenience store products.
Application of the Technology
- Ready-to-Eat Convenience Store Products: Develop ready-to-eat natto packs with sauces and toppings, perfect for quick meals on the go.
- Portable Stirring Kits for Outdoor Use: Create portable natto packs for camping or picnics, ensuring easy stirring and serving in outdoor settings.
Food Patent 8. Method for Making a Candied Apple with Textured Coating
Patent Overview

This patent describes a method for creating candied apples with a unique textured coating. Traditional candied apples often have a smooth, hard coating, but this method introduces a textured layer that enhances both the visual appeal and the eating experience. The coating is designed to provide a delightful crunch while maintaining the sweetness and flavor of the candy. Additionally, the process ensures that the candy adheres evenly to the apple, preventing issues such as cracking or uneven coverage. This patent offers a novel approach to a classic treat, making it more appealing for special events and gourmet markets.
Application of the Technology
- Event-Specific Gourmet Products: Produce customized candied apples with themed textures and colors for events such as weddings, festivals, or holiday celebrations.
- DIY Home Kits: Develop home kits that allow consumers to create their own textured candied apples, encouraging creativity and family bonding during cooking activities.
Expanding Dining Possibilities with Patent Technology
These patented technologies exemplify the fusion of Japanese innovation and culinary culture. Each of them has the potential to enhance the joy of cooking and dining at home while opening new opportunities for the food industry. Keep an eye on these creative advancements that are set to enrich our dining experiences!