Yamasa US

Yamasa US is the American subsidiary and brand presence of Yamasa Corporation, the Japanese soy sauce house founded in 1645 in Choshi, Chiba, Japan. The U.S. operation was incorporated in 1992 and completed its brewery in Oregon's Willamette Valley in 1994, a location chosen to match the Japanese climate and pristine water used in Japan. Under the Yamasa US banner, the company crafts shoyu (Japanese soy sauce), tamari, reduced-sodium shoyu, ramen broths and soups, and marinades and sauces, marketing them to both professional chefs and home cooks in the United States. The brand positions itself on four centuries of family craftsmanship — 13 generations, according to its own heritage narrative — and on the claim that its shoyu is the gold standard for many of Japan's greatest chefs. Its U.S. product line includes Yamasa Shoyu, Reduced Sodium Shoyu, Organic Gluten-Free Tamari, Nikiri Soy Sauce, Zuke Soy Sauce, and a ramen broth and soup series featuring Shoyu, Miso, and Tonkotsu concentrates plus White Miso Soup concentrate. Products are sold through retail channels and online, including Amazon, with a store locator on the official site. Yamasa US operates as a subsidiary of Yamasa Corporation, the Japanese parent whose history dates to 1645 and which became a corporation in 1928. The U.S. entity became a corporation in 1992, and its Oregon brewery was completed in 1994. The brand's messaging emphasizes authenticity, umami balance, and the transfer of Japanese brewing techniques — including the proprietary Yamasa koji culture — to American soil.

Yamasa US traces its roots to Yamasa Corporation, founded in 1645 in Choshi, Chiba, Japan. According to the company's heritage narrative, 13 generations of family have honed and refined an artisanal shoyu of distinctive flavor, aroma, and color. In 1899, Yamasa created the first Japanese soy sauce laboratory, and in 1928 it became a corporation. These milestones established the parent company as a long-standing producer of Japanese soy sauce, with a reputation among professional chefs. The U.S. subsidiary was incorporated in 1992, and by 1994 the company had completed a brewery in Oregon's Willamette Valley, in the shadow of the Cascades. The location was selected because its climate and water matched the conditions of the Japanese brewery, allowing Yamasa to reproduce its traditional process in America. The company states that its artisans in Oregon use the same ingredients, exact processes, and unique Yamasa koji culture perfected over centuries to guarantee the same quality and craftsmanship as in Japan. Since establishing U.S. production, Yamasa US has marketed its shoyu and related products to both professional and home chefs. Its product range has expanded beyond traditional shoyu to include reduced-sodium shoyu, organic gluten-free tamari, Nikiri soy sauce, Zuke soy sauce, and a line of ramen broths and soups inspired by popular Japanese ramen shops. The brand emphasizes its role in raising expectations for Asian sauces in the American market, describing its shoyus as the gold standard in Japan and its commitment to artisanal quality as a differentiator. Products are distributed through retail and online channels, including Amazon, and the official website provides recipes and a store locator to support consumer use.

• 1994

  The U.S. brewery was completed and Yamasa started brewing in Oregon.

• 1992

  Yamasa became a corporation in the United States.

• 1928

  Yamasa became a corporation in Japan.

• 1899

  The first Japanese soy sauce laboratory was created by Yamasa.

• 1645

  Yamasa was founded in Choshi, Chiba, Japan.

Authentic Japanese artisanal shoyu and sauces, crafted in America with four centuries of tradition and a proprietary koji culture.

• Yamasa Shoyu

  Artisanal Japanese soy sauce with distinctive red color, aroma, and umami; available in 10 fl oz (296ml).

• Yamasa Reduced Sodium Shoyu

  A reduced-sodium version of the traditional shoyu.

• Yamasa Organic Gluten-Free Tamari

  Organic tamari with distinctive red color, aroma, and umami; available in 5 fl oz.

• Yamasa Nikiri Soy Sauce

  A refined finishing soy sauce inspired by traditional sushi craftsmanship; kombu umami and gentle sweetness; 60.9 fl oz.

• Yamasa Zuke Soy Sauce

  A savory marinade inspired by traditional Japanese techniques; soy sauce and garlic; 60.9 fl oz.

• Yamasa Ramen Broths and Soups

  Artisanal ramen broth concentrates in Shoyu, Miso, and Tonkotsu flavors, plus White Miso Soup concentrate.

• Yamasa Marinades and Sauces

  Marinades and sauces crafted in the Japanese tradition.

1. 1Yamasa USA - Japanese Tradition, Crafted in Americayamasausa.com
2. 2About Yamasa USAyamasausa.com
3. 3Our Artisanal Products - From Shoyu to Ramen Brothyamasausa.com