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Clinically Proven Frozen Health Meals

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Message from San Marco Foods and introduction of each business

From Hokkaido,
bringing you
better taste and better health.

Since our founding, we have remained committed to the
quality and freshness of ingredients from Hokkaido,
carefully producing frozen foods with great care.

As times evolve, we, as those involved in food,
continuously improve our environmental standards and
technologies—starting with water quality—and proudly
deliver our products to our customers.

Frozen Food Business

What makes something
delicious?

Beyond the taste sensed by the tongue, elements like aroma, texture, and temperature all contribute to our perception of flavor.

Even the same food can take on a completely different character just by shifting the balance of individual taste preferences.

We pursue functionality in our products to shape how we want people to enjoy them.

Rather than relying solely on instinct, we pursue deliciousness through our own unique framework.

We have developed an original "Flavor Blueprint" called “Four-Dimensional Sensory Design”:

X
Flavor of ingredients
Y
Salt, spices, herbs, and other surface flavors
Z
deeper notes such as temperature and richness

By combining these three axes with the evolving flavors experienced during chewing, we design taste in four dimensions.

The Secret Behind
Our Deliciousness

Using locally grown Baron potatoes from Mt. Yotei, fresh milk from pasture-raised cows, and ultra-soft natural water, we harness the blessings of Hokkaido’s rich environment. As we continue to evolve, we remain dedicated to pursuing truly inspiring flavors.

Yotei Scenery Photos

Features

It's not just about being delicious
—our ingredients and flavors are honest and straightforward.

We don’t stop at taste; we strive to create
products that people can enjoy with confidence, face to face.​

Harnessing the quality of
ingredients from Hokkaido, we deliver frozen foods that are safe
and gentle on the body.

Through wholesale and OEM production for
convenience stores and major supermarkets
across Japan, we provide products that offer
both great taste and peace of mind.

Our pride lies in an
uncompromising
commitment to excellence.

At Sanmaruko, we wholeheartedly pursue “nothing but
the best,” carrying the banner of “From Hokkaido,
bringing you better taste and better health,” and
proudly delivering products we can stand behind. ​

Retail Business

Ready-to-Eat Business

Coromoa Logo

The unforgettable experience only Coromoa can offer.

Coromoa’s croquettes are crafted as the ultimate masterpiece, born from an uncompromising pursuit of perfection.
Our goal is to create a store that makes people fall in love with croquettes all over again.​

Click here for store information

Genuine croquettes made by true professionals—producing 3 billion annually.

Coromoa’s croquettes aim to be the best you've ever tasted, crafted with the expertise we've gained over 45 years of dedication to croquettes.​

In the Taisho era, croquettes stood alongside beefsteak and tonkatsu as one of the “Big Three” Western-style dishes—considered a luxurious treat. But as price competition intensified, the care and craftsmanship once poured into them began to vanish, and croquettes nearly disappeared all together.​

Yet croquettes hold limitless potential—they can be filled with anything, using seasonal ingredients and local specialties. We want to restore their rightful place at the table and share the true greatness of croquettes once more.​

コロッケの断面の写真
ICHI HACHI MARU Sanmaruko Kitchen Logo

ICHI HACHI MARU
Sanmaruko Kitchen

Coromoa Products
+ Carefully Crafted Side Dishes

In addition to Coromoa items, we offer a selection of
specially made side dishes and bento meals.

Click here for store information

Rather than relying solely on instinct, we pursue deliciousness through our own unique framework.

We have developed an original "Flavor Blueprint" called “Four-Dimensional Sensory Design”:​

X
Flavor of ingredients
Y
Salt, spices, herbs, and other surface flavors
Z
deeper notes such as temperature and richness

By combining these three axes with the evolving flavors experienced during chewing, we design taste in four dimensions.

Dining-Out Business

fw

“fw” proposes a new way of eating—one that cares for the body by considering salt and blood sugar levels.

Our daily eating habits can unknowingly place a burden on our health. This is a serious social issue that we must face head-on. Even so, we refuse to compromise on taste. Because we value the joy of savoring seasonal blessings, textures, aromas, and the richness of mealtime itself, fw continues to explore cooking methods that don’t taste bland, even with reduced salt.​

[Store Location: Susukino area, Sapporo]

“Quiet Umami”
— a subtle richness that
lingers peacefully.

“Gentle Umami”
— slowly seeps into your body and
gently envelops you.

“Bold Umami”
— a sharp, instant impact that leaves a
lasting impression on the mind.

At fw, we carefully design these three forms of umami to create a deeply memorable dining experience—without relying on salt.

This flavor is supported by two key pillars: “frozen” technology, which manages the condition of ingredients, and “water” quality, which balances minerals to draw out and sometimes lock in umami. With these two elements, we craft not only flavor and texture, but even the aftertaste itself, reimagining cooking in a way that delivers true satisfaction without excess salt.

The name “fw” stands not only for the initials of frozen and water, but also expresses our intent to “forward” the blessings of nature and the passion of our producers in the most delicious form possible.

Born from the rich soil of Hokkaido, fw offers gentle care for the body—something we hope you'll savor fully with all five senses.

Medical Food Business

True health begins
with understanding.

Born from President Fujii’s personal experience and developed alongside medical experts,
Dr. Dish is a line of medical foods designed to be both scientifically accurate and
genuinely delicious.
We continue to take on the challenge of improving health in Japan—and around the world.

Many people hope to become healthier,
yet still struggle with insecurities about their health or body shape, unable to find effective solutions.

Without a clear understanding of their own health status, they may not even know what the problem is, let alone how to address it.

Is “casual deliciousness”
putting Japan’s eating habits at
risk?

Sixty percent of deaths in Japan are caused by lifestyle-related diseases, which account for 30% of the nation’s ¥46 trillion in medical expenses—placing a heavy burden on public finances.

These diseases don’t occur by chance; with the right knowledge, they can be prevented. The most common are high blood pressure and diabetes, often stemming from excessive salt intake and poor nutritional balance.

“Clinically Proven Frozen Health Meals“ DrDish logo

Why are “accurate knowledge” and “deliciousness” both essential? A challenge born from personal experience.

I once weighed over 105 kilograms. I loved eating, ignored my health, and drifted through each day without much thought—until one day, a medical checkup diagnosed me with a “G” rating (requiring treatment).That moment forced me to confront my vague lifestyle head-on. I began studying how the body works, but what I struggled with most was navigating the flood of vague, conflicting information to find what was truly accurate.

You can build the best version of yourself—through food.

That belief led me to work with experts in pursuit of meals that are both medically sound and genuinely delicious, and from that, Dr. Dish was born. Our meals comply with Ministry of Health guidelines and have been proven to be effective for conditions like diabetes and high blood pressure. We also quantify and manage dietary standards—such as salt reduction—using precise medical criteria. Through our “Four-Dimensional Sensory Design,” we’ve developed techniques that prevent the food from tasting bland, which is often a concern with health-focused meals. For example, a candy held in the mouth for 2 seconds versus 15 seconds leaves a very different impression of flavor intensity, right? Dr. Dish is designed to naturally guide that sensory experience—without you even noticing.

Food changed my life.
By sharing this experience with many others, we hope to help enrich lives across this country.

“I will become who I want to be”

—if you share that same resolve, we invite you to continue your journey with Dr. Dish.

Learn more about Dr. Dish

Company Information

"More delicious and healthy from Hokkaido."
We create our products with sincere commitment and the same thoughts as our customers.

For your “delicious” moments and your smile.

代表取締役社長 藤井 幸大の写真

We have always been committed to creating food that people can enjoy with peace of mind—meals that are truly delicious from the heart. I once weighed 105 kilograms, but by completely reevaluating my diet, I successfully lost a total of 51 kilograms. A proper diet not only restores the body—it lifts the spirit and can brighten your entire life. That personal realization is the foundation of everything we create today.

Currently in Japan, 40 million people are at risk of lifestyle-related diseases such as high blood pressure and diabetes, which account for roughly 30% of total medical expenses—a serious social issue.

Behind this lies a reality in which cost is often prioritized, while literacy around healthy eating has been neglected. We face this issue head-on, aiming to deliver “deliciousness that leads to health” through the power of food.

To bring this vision to life, we operate across three core pillars: the Frozen Food Business, the Retail Business, and the Medical Food Business. In every area, we pursue uncompromising quality to deliver products that balance both health and great taste.
Among these, our clinical-trial-based health meal line, Dr. Dish stands out—built on our original method of “Four-Dimensional Sensory Design,” which carefully crafts umami, aroma, richness, and the evolving flavors experienced during chewing. This technique represents both the unique strength of Sanmaruko Foods and the spirit of our ongoing challenge. Through food, we aim to address Japan’s health issues and remain a company people trust and choose—ten years from now and beyond.

We will continue to deliver safe, reliable food—for your “delicious” moments and your smile.

PresidentKodai Fujii

Company Overview

Company Name Sanmaruko Foods Co., Ltd.
Head Office 004-0004 1-48, Atsubetsu Higashi 4-jo 1-chome, Atsubetsu-ku, Sapporo, Hokkaido, Japan
Phone:011-897-1711
Fax:011-809-2500
Executives Chairman – Koichi Fujii
President – Kodai Fujii
Established December, 1979 (Showa 54)
Capital 40 million yen
Employees 465 (as of January 2025)
Business Description Manufacture and sale of frozen foods, mainly croquettes, imo-mochi, gratin, spring rolls, and medical foods, and operation of restaurants
Affiliated Companies Hokurei Co., Ltd., Maruju Fuji Foods Co., Ltd.

History

Our Offices & Factories
1979.12 Established as Sanmaruko Shokuhin Hanbai Co., Ltd. with capital of 5 million yen.
1980.06 Capital increased to 10 million yen.
1983.03 Capital increased to 21 million yen.
1988.08 Second factory completed.
1992.11 Eniwa Factory completed.
1993.10 Capital increased to 40 million yen.
1994.12 Phase 1 expansion of Eniwa Factory.
1997.08 Urahoro Factory completed.
1998.10 Company renamed to Sanmaruko Foods Co., Ltd.
2000.03 Tokyo branch office completed.
2002.06 Koichi Fujii appointed as President & CEO.
2002.07 Phase 2 expansion of Eniwa Factory.
2006.04 Acquired Nihon Reishoku Co., Ltd. as a subsidiary.
2006.11 Obtained ISO 9001 certification.
2008.04 Merged with Nihon Reishoku Co., Ltd.
2012.09 Eniwa Factory certified for ISO 22000:2005.
2012.12 Expansion of Tsubetsu Factory.
2015.04 Phase 3 expansion of Eniwa Factory.
2017.11 New Tokyo office and central kitchen completed.
2020.03 Phase 4 expansion of Eniwa Factory.
2023.02 Launched e-commerce site for Doctor Dish (D.D).
2024.05 Koichi Fujii appointed as Chairman.
Kohdai Fujii appointed as President & CEO.
2024.08 FSSC 22000 certification obtained for Eniwa and Tsubetsu Factories.

Recruitment Information

We want to build the future
with teammates like these.

We’re serious about taking on challenges to
make the world better—and to improve
Japan’s eating habits for the better.

Delivering food that fully harnesses the richness and freshness of Hokkaido’s ingredients.

We cherish the abundance and freshness of Hokkaido’s resources and strive to make the most of them in the food we offer. Not only do we bring out the natural flavors of the ingredients, but we also ensure every step of the process is safe and secure—creating meals that are gentle on the body and truly satisfying to the heart. As time goes on, the value of food continues to evolve—whether in terms of nutritional balance, diversifying tastes, or growing health awareness.
We embrace these changes with flexibility and continue exploring the full potential of food.

Pursuing Every Possibility in the Value of Food

The value of food changes with the times—whether in approaches to nutritional balance, the diversification of tastes, or rising health awareness.
We view all of these shifts with flexibility and continue to explore every possibility food has to offer, especially in an age where people are thinking more deeply than ever before about what they eat—even as challenges remain.

We want to change the current reality in which excessive salt intake is contributing to poor health.

One example of our efforts in recent years is the development of products for people with lifestyle-related diseases. In that process, we faced key questions: “Are nutritionally controlled meals truly beneficial?” and “Aren’t restricted diets unappetizing and hard to stick with?” We tackled these challenges head-on, quantifying and scientifically analyzing flavor in order to find solutions.
Facing the need for salt reduction, we’ve continually refined ways to bring out the natural flavor of ingredients without relying on heavy seasoning—applying water quality techniques to enhance both taste and texture.
Our goal has always been to create meals that move people. As a company playing a role in the food industry, we are committed to changing the current situation where excessive salt intake leads to poor health.
As a result, we established our original standard known as “Four-Dimensional Sensory Design,” and we will continue to challenge the very essence of what food should be.

We are a company driven by the desire to share products we can
proudly stand behind and that people can truly enjoy.

Welcoming more teammates who share that passion gives us the
strength to take the next step.Let’s work together to solve the
challenges facing our society.

Click here for recruitment information