World-class diamond stylus technology
NAGAOKA CO., LTD. (nagaoka.co.jp) scores 65 out of 100 on Brand Analyzer, placing it in the Developing tier among Manufacturing brands, Technology brands, Media & Entertainment brands, in the 12th percentile of 28911 Manufacturing brands.
NAGAOKA CO., LTD. is a Japanese manufacturer founded in 1906, specializing in diamond record stylus (needle) production and precision mechanical components. The company is recognized for its technical expertise in turntable cartridge styli, serving audiophiles, vinyl enthusiasts, and turntable manufacturers worldwide. Beyond audio equipment, NAGAOKA also produces precision parts for various industrial applications, leveraging decades of specialized manufacturing know-how.
| Brand Name | NAGAOKA CO., LTD. |
|---|---|
| Domain | nagaoka.co.jp |
| Industry | Manufacturing, Technology |
| Founded | 1906 |
| Headquarters | Niigata Prefecture, Japan |
| Main Competitors | Ortofon (90/100), Audio-Technica (79/100), Shure (92/100), Grado Labs (82/100), Goldring (78/100), Denon (91/100) |
Moz Domain Authority 37/100 vs category average 36 / leader 94 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #2,377,084 on the Tranco list of most-visited sites - modest traffic makes the brand easy for AI models to overlook.
NAGAOKA CO., LTD. appears on Wikipedia but without a dedicated company entity, so AI models can confuse it with similarly named subjects.
The homepage meta description reads "株式会社ナガオカ｜ NAGAOKA CO., LTD.｜ダイヤモンドレコード針のナガオカは、世界が認める技術を生かし、各種精密部品を製造しています。" (Meta description too short (4 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:image, 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: Nginx.
Social footprint: verified profiles on X (Twitter), Instagram, GitHub; no detected presence on LinkedIn, Facebook, YouTube - 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 NAGAOKA CO., LTD.?", Claude could identify the brand as of October 2026. NAGAOKA CO., LTD. is a Japanese manufacturer best known for phono cartridges and diamond styli used in turntables, and it also produces precision industrial diamond tools and other fine mechanical parts. Best known for high-quality MM phono cartridges and diamond stylus tips for turntables.
When asked "Best brands similar to NAGAOKA CO., LTD.?", Claude would recommend NAGAOKA CO., LTD. as of October 2026. Nagaoka is a respected name among audiophiles for affordable, well-regarded phono cartridges, so it's worth mentioning alongside brands like Audio-Technica or Ortofon.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
NAGAOKA CO., LTD.'s main competitors in Manufacturing: Ortofon (90/100), Audio-Technica (79/100), Shure (92/100), Grado Labs (82/100), Goldring (78/100).
Sources: Brand Analyzer scan
NAGAOKA CO., LTD. has limited AI-search visibility, scoring 32/100 on Brand Analyzer's AI visibility composite (visibility 35, trust 22, recommendation 38). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA CO., LTD. was founded in 1906. NAGAOKA CO., LTD. operates in the Manufacturing category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
NAGAOKA CO., LTD. scores 38/100 on Brand Analyzer's AI recommendation signal, indicating it is less likely to be surfaced when AI assistants like ChatGPT suggest Manufacturing options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA CO., LTD. is a Japanese precision manufacturing company founded in 1906, best known for producing diamond record needles (styli) used in turntable cartridges, as well as other precision mechanical components.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA manufactures diamond record stylus tips and related precision components for phonograph cartridges, along with various other precision parts used across different industries requiring high manufacturing accuracy.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA CO., LTD. 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: NAGAOKA CO., LTD. official site
NAGAOKA offers diamond record needles (styli) for phonograph cartridges and various precision mechanical components used in audio equipment and other industries requiring high manufacturing precision.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA is known for its diamond record needle (stylus) manufacturing, a specialty it has maintained since its founding, earning a global reputation among audiophiles and turntable manufacturers for precision and quality in phonograph cartridge components.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA's products are used by audiophiles, vinyl record enthusiasts, turntable and cartridge manufacturers, and industries that require high-precision diamond and mechanical components.
Sources: NAGAOKA CO., LTD. official site
NAGAOKA CO., LTD. scores 32/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
NAGAOKA CO., LTD. has a weak AI-visibility profile at 32/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (38/100) and its weakest is trust (22/100). It benefits from a Wikidata knowledge-graph entry, a global traffic rank of #2,377,084 (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 37/100 and thin schema.org structured data. In a live check, Claude could already identify NAGAOKA CO., LTD. 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 NAGAOKA CO., LTD.: MYIR (65/100), Myande (65/100), NARISHIGE (65/100), National Bulk (65/100).
A step up - brands to learn from: Ed. Züblin AG (71/100), Zoko Machinery Co., Limited (71/100).
Category leader: DHL (97/100).
Brand Analyzer is built by DataEase AI. Track your brand in ChatGPT, Gemini and Perplexity.