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Rnai Inc.

Rnai Inc. is a small Tokyo-based web and digital services company founded in 2006 and led by Tomoyuki Yamada.

Last updated September 27, 2026

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Overview

Rnai Inc. (株式会社RNAi) is a Japanese company headquartered in Bunkyo-ku, Tokyo. According to its corporate information page, it was founded in July 2006 and is led by representative director Tomoyuki Yamada. The company is registered at 4-1-4 Hongo, Bunkyo-ku, Tokyo 113-0033, an address in the Hongo district that is home to the University of Tokyo and a dense cluster of technology and publishing businesses. The company operates a website at rnai.co.jp. The site's visible content references website-building tools and free CSS templates, which suggests that Rnai Inc. is involved in web design, web development, or related digital services. The homepage carries a simple website-builder credit line, and the corporate information page is presented with a template-style layout. These details point to a small, privately held firm rather than a large listed enterprise. Rnai Inc. is not widely covered in mainstream business media, and its public footprint is limited to its own website and a Wikidata entry that identifies it as a company in Bunkyo-ku, Japan. Its name, which echoes the biological term RNA interference, does not appear to indicate a biotechnology business based on the available evidence; the website content instead points to web and digital services. The company remains active as of the available records, with copyright notices dated 2020 on its site.

History

Rnai Inc. was established in July 2006 in Japan, according to the corporate information page on its website. The company is headquartered at 4-1-4 Hongo, Bunkyo-ku, Tokyo 113-0033, placing it in the Hongo area of central Tokyo. From its founding, the company has been led by representative director Tomoyuki Yamada. The company's public-facing activity centers on its website, rnai.co.jp. The homepage carries a simple website-builder credit and a copyright notice dated 2020, while the corporate information page is laid out with what appears to be a free CSS template. These elements suggest that Rnai Inc. operates in the web design, web development, or website-tools space, serving clients or users who need websites and templates. There is no public evidence of large-scale operations, outside investment, subsidiaries, or stock-market listing. A Wikidata entry describes it simply as a company in Bunkyo-ku, Japan. The company appears to remain active, with its website online and its corporate details published. Its name resembles the scientific term RNA interference, but the available evidence does not indicate a biotechnology business; the website content points instead to web and digital services.

  • 2006

    Rnai Inc. is founded in Japan.

Products and positioning

Small, privately held Japanese web and digital services provider based in Tokyo.

  • Website design and development services

    Services related to building and maintaining websites, inferred from the company's website content.

  • Web templates and website-building tools

    The website references simple website builders and free CSS templates.

Sources3 sources

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