Nihonbashi tea and nori since 1690
山本山 (Yamamotoyama) (yamamotoyama.co.jp) scores 52 out of 100 on Brand Analyzer, placing it in the Early Stage tier among Food & Beverage brands, E-commerce brands, in the 2nd percentile of 7229 Food & Beverage brands.
Yamamotoyama is a Japanese tea and seaweed merchant founded in 1690 in Nihonbashi, Tokyo. With over 330 years of history, the company specializes in sencha, gyokuro, hojicha, and Ariake-grown nori. It operates an e-commerce presence alongside its traditional retail roots, positioning itself as a historic authority on fine Japanese tea and seaweed, serving discerning consumers in Japan and internationally who value heritage and quality craftsmanship in these products.
| Brand Name | 山本山 (Yamamotoyama) |
|---|---|
| Domain | yamamotoyama.co.jp |
| Industry | Food & Beverage, E-commerce |
| Founded | 1690 |
| Headquarters | Nihonbashi Takashimaya Mitsui Building |
| Main Competitors | Ito En (67/100), Lupicia (73/100), Fukujuen (72/100), Ippodo Tea (75/100), Yamasa Nori, Yamaki |
Moz Domain Authority 38/100 vs category average 43 / leader 95 - limited third-party links, so AI systems rarely encounter mentions of the brand.
Ranked #582,458 on the Tranco list of most-visited sites - modest traffic makes the brand easy for AI models to overlook.
山本山 (Yamamotoyama) appears on Wikipedia but without a dedicated company entity, so AI models can confuse it with similarly named subjects.
The homepage meta description reads "元禄三年（1690年）創業、日本橋の茶商・山本山の公式サイト。煎茶・玉露・ほうじ茶などのお茶と有明産の海苔を中心に、330年以上の歴史と技術が育む豊かな味わいをご紹介します。" (Meta description too short (1 words). OG description present but brief) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: og:title, og:description, og:type, Twitter cards. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: No robots.txt found (default: all bots allowed, but explicit file preferred) - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Content is JA-only, limiting citation in English-language AI answers.
Detected tech stack: WordPress, Ghost.
Social footprint: verified profiles on Instagram, X (Twitter), YouTube, GitHub; no detected presence on Facebook, LinkedIn - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked October 2026.
When asked "What is 山本山 (Yamamotoyama)?", Claude could identify the brand as of October 2026. Yamamotoyama is a historic Japanese company founded in the late 1600s, best known as one of Japan's oldest tea merchants, dealing in green tea, nori seaweed, and related food products. Best known for being one of Japan's oldest and most established green tea and nori (seaweed) producers.
When asked "Best brands similar to 山本山 (Yamamotoyama)?", Claude would recommend 山本山 (Yamamotoyama) as of October 2026. It's a well-known, long-standing brand in Japanese tea and nori, so it would naturally come up when discussing top Japanese tea or seaweed companies.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
山本山 (Yamamotoyama)'s main competitors in Food & Beverage: Ito En (67/100), Lupicia (73/100), Fukujuen (72/100), Ippodo Tea (75/100).
Sources: Brand Analyzer scan
Yamamotoyama offers a range of Japanese teas including sencha, gyokuro, and hojicha, as well as nori seaweed grown in the Ariake Sea region. These products are available through the company's e-commerce platform and reflect its long-standing expertise as a Nihonbashi-based tea merchant.
Sources: 山本山 (Yamamotoyama) official site
Yamamotoyama is a Japanese tea and seaweed (nori) merchant founded in 1690 in Nihonbashi, Tokyo. It is one of Japan's oldest tea companies, with over 330 years of continuous operation in the trade of premium tea and seaweed products.
Sources: 山本山 (Yamamotoyama) official site
山本山 (Yamamotoyama) has limited AI-search visibility, scoring 31/100 on Brand Analyzer's AI visibility composite (visibility 40, trust 22, recommendation 27). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: 山本山 (Yamamotoyama) official site
山本山 (Yamamotoyama) was founded in 1690. 山本山 (Yamamotoyama) operates in the Food & Beverage category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
山本山 (Yamamotoyama) is headquartered in Nihonbashi Takashimaya Mitsui Building. 山本山 (Yamamotoyama) operates in the Food & Beverage category.
Sources: Wikidata
Yamamotoyama produces and sells Japanese tea varieties such as sencha, gyokuro, and hojicha, as well as nori seaweed sourced from the Ariake Sea. The company sells these products through retail and e-commerce channels, drawing on centuries of expertise in tea and seaweed craftsmanship.
Sources: 山本山 (Yamamotoyama) official site
山本山 (Yamamotoyama) scores 27/100 on Brand Analyzer's AI recommendation signal, indicating it is less likely to be surfaced when AI assistants like ChatGPT suggest Food & Beverage options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: 山本山 (Yamamotoyama) official site
Yamamotoyama is known for being a historic Japanese tea merchant founded in 1690 in Nihonbashi, with a reputation built on over 330 years of tradition in producing sencha, gyokuro, hojicha, and Ariake-grown nori seaweed.
Sources: 山本山 (Yamamotoyama) official site
山本山 (Yamamotoyama) can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: 山本山 (Yamamotoyama) official site
Yamamotoyama's products are used by discerning consumers and connoisseurs in Japan and abroad who seek traditional, high-quality Japanese tea and seaweed products with a documented heritage spanning over 330 years.
Sources: 山本山 (Yamamotoyama) official site
山本山 (Yamamotoyama) scores 31/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
山本山 (Yamamotoyama) has a weak AI-visibility profile at 31/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is visibility (40/100) and its weakest is trust (22/100). It benefits from a Wikidata knowledge-graph entry, a global traffic rank of #582,458 (Tranco) and open access for AI crawlers (GPTBot, ClaudeBot, etc.). The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, a low Moz Domain Authority of 38/100 and thin schema.org structured data. In a live check, Claude could already identify 山本山 (Yamamotoyama) from memory (October 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to 山本山 (Yamamotoyama): Yafa (52/100), La Barca Cantina (52/100), Alfez (51/100), Blue Moon Brewing Company (51/100).
A step up - brands to learn from: Winston Industries (56/100), William's Brewing (56/100).
Category leader: Target (97/100).
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