Menya Iroha is an award-winning Japanese ramen brand famous for its rich black soy sauce ramen from Toyama. With international recognition and franchise opportunities available, it offers a proven concept for global expansion.

Menya Iroha is operated by TENTAKAKU Co., Ltd., a Japanese restaurant company headquartered in Toyama Prefecture. Since its establishment, the company has focused on promoting Toyama Black Ramen, a regional specialty known for its dark soy sauce broth and deep umami flavor. Menya Iroha gained international attention after winning awards at ramen competitions and food events worldwide.
The brand has expanded internationally through stores and partnerships across Asia and other overseas markets. While it does not currently operate a permanent location in the United States, Menya Iroha is actively recruiting franchise partners for international expansion. The company emphasizes authentic Japanese ingredients, traditional preparation methods, and comprehensive operational support to ensure consistency across all locations.

Menya Iroha has earned a strong reputation through participation in international ramen events and competitions. Its signature Toyama Black Ramen offers a distinctive flavor profile that differentiates it from traditional tonkotsu and miso ramen concepts. This unique identity helps franchisees stand out in increasingly competitive restaurant markets.
Consumers are attracted to the rich soy sauce broth, carefully selected ingredients, and authentic Japanese dining experience. The brand’s international exposure and award-winning reputation provide credibility that can accelerate customer acquisition and brand awareness in new markets.
TENTAKAKU Co., Ltd. provides franchisees with extensive operational support, including training, menu development, and restaurant management guidance. The company has refined its systems through years of operating both domestic and international locations.
Standardized recipes and preparation procedures help maintain quality while simplifying kitchen operations. Franchisees benefit from a business model designed to balance authenticity with operational efficiency, making it easier to manage labor, inventory, and customer service while maintaining high standards.
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Detailed franchise support information was not publicly available on the official Menya Iroha websites at the time of writing.
The company emphasizes its Toyama Black Ramen heritage, international brand development, and operational expertise gained through participation in ramen events and restaurant operations in multiple countries.
| Store | Rating | Survey Date |
|---|---|---|
| Ramen Iroha (Causeway Bay, Hong Kong) | 4.5 / 5 | June 2026 |
Source:
Tripadvisor
Ramen Iroha in Hong Kong has earned a strong 4.5 out of 5 rating on Tripadvisor. Reviews frequently highlight the restaurant’s distinctive menu items, particularly its milk-based ramen and dipping noodles, which offer a different flavor profile from traditional tonkotsu ramen. Customers also praise the award-winning black soy sauce ramen, noting its balanced taste and springy noodles. In addition to the ramen itself, diners often mention generous toppings, well-prepared side dishes, and creative seasonal promotions. These factors contribute to a dining experience that stands out in Hong Kong’s competitive ramen market.
"Unique Milk-Based Broth and Rich Crab Flavor"
Source:
Tripadvisor
"Award-Winning Black Soy Sauce Ramen"
Source:
Tripadvisor
"Well-Rounded Menu Beyond Ramen"
Source:
Tripadvisor
Editorial Note: Tripadvisor ratings and customer reviews are subject to change over time as new reviews are submitted.
| Item | Details |
|---|---|
| Franchise Fee | Inquiry Required |
| Initial Investment | Inquiry Required |
| Royalty | Inquiry Required |
References:
Menya Iroha Official Website (English)
Menya Iroha Official Website (Japanese)
Editorial Note: Franchise fees, investment requirements, and royalty rates were not publicly disclosed on Menya Iroha's official websites at the time of writing.
| Item | Details |
|---|---|
| Company Name | TENTAKAKU Co., Ltd. |
| Total Number of Restaurants (Including Company-Operated Locations) | Not publicly disclosed |
| Address | Toyama, Japan |
Menya Iroha is a Japanese ramen brand best known for its Toyama Black Ramen, a regional specialty originating from Toyama Prefecture. Operated by TENTAKAKU Co., Ltd., the brand has developed recognition both in Japan and overseas through restaurant operations and participation in international ramen events.
The brand's appeal lies in its distinctive Toyama-style ramen, commitment to authentic Japanese flavors, and international exposure through ramen competitions and overseas expansion. Customer reviews frequently highlight the restaurant's unique menu offerings, including its signature black soy sauce ramen and creative seasonal products.
While detailed franchise investment information is not publicly available, Menya Iroha continues to promote its brand internationally. For entrepreneurs seeking a ramen concept that differs from conventional tonkotsu-focused chains, Menya Iroha offers a distinctive regional Japanese identity backed by years of brand development and international recognition.
Even within Japanese food, the most receptive customer segments vary by genre. This section introduces recommended Japanese food genres based on the characteristics of the prospective area, along with Japanese franchise brands that already operate locations in the United States. The focus is on the food that can be offered by joining each franchise brand.

Gyu-Kaku delivers authenticity through certified Japanese A5 Wagyu. By also featuring USDA Prime beef, they offer steakhouse-quality dining at accessible prices.
From import to processing, Japanese staff strictly manage quality at every step, delivering the same authentic flavor found in premium yakiniku restaurants in Japan.
| Franchise fee | $50,000 |
|---|---|
| Initial investment | Approx. $1,215,444 to $2,606,540 |
| Royalty | 5% on annual sales up to approx. $1,500,000 4.5% on annual sales from approx. $1,500,000 to $2,000,000 4% on annual sales over approx. $2,000,000 |
| Number of restaurants | 825 worldwide (including 63 in the United States and 580 in Asia) |
| TripAdvisor rating | 4.3 out of 5.0 (442 reviews)*2 |

A wide range of toppings, from chicken katsu to omelets, ensures a fresh experience every visit, driving strong customer loyalty.
In addition to toppings, customers can adjust rice portions and spice levels, making the menu enjoyable for those who prefer milder flavors as well as those who want larger portions.
| Initial franchise fee | $40,000 |
|---|---|
| Initial investment | Not listed |
| Royalty | Not listed |
| Number of restaurants | 1,480 worldwide (including 11 in the United States and 1,467 in Asia) |
| TripAdvisor rating | 4.3 out of 5.0 (41 reviews)*3 |

As a popular chain with 861 locations in Japan*1, franchisees are able to consistently serve udon noodles with a firm, chewy texture, supported by the headquarters after opening.
The noodle-making, boiling, and cooling processes are demonstrated in an open kitchen, allowing customers to enjoy a freshly made, live dining experience.
| Franchise fee | $40,000 to $64,000 |
|---|---|
| Initial investment | $1,126,500 to $1,980,000 |
| Royalty | 5% of sales |
| Number of restaurants | 1,188 worldwide (including 23 in the United States and 1,155 in Asia) |
| TripAdvisor rating | 4.5 out of 5.0 (108 reviews)*4 |
*1 Source: Marugame Udon official website(https://jp.marugame.com/shop/), as of a December 2025 survey
*2 TripAdvisor: New York City location, as of October 28, 2025(https://www.tripadvisor.jp/Restaurant_Review-g60763-d3175593-Reviews-Gyu_Kaku_Japanese_BBQ-New_York_City_New_York.html)
*3 TripAdvisor: Irvine location, as of October 28, 2025(https://www.tripadvisor.jp/Restaurant_Review-g32530-d9750729-Reviews-Coco_Ichibanya-Irvine_California.html)
*4 TripAdvisor: Los Angeles location, as of October 28, 2025(https://www.tripadvisor.jp/Restaurant_Review-g32655-d4019757-Reviews-Marugame_Monzo-Los_Angeles_California.html)
* TripAdvisor ratings are based on the highest-rated U.S. location.
*The number of restaurants is based on the following references. As of a December 2025 survey
Gyu-Kaku official website(https://www.gyukaku.ne.jp/world.php)
CoCo Ichibanya official website(https://www.ichibanya.co.jp/comp/ir/finance/highlight/graph01.html)
Marugame Udon official website(https://jp.marugame.com/shop/)