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The brand behind your purchase

Uni-ball

uni-ball is a writing-instrument brand of Mitsubishi Pencil Company, Limited, a Japanese pencil maker founded in 1887.

Official website documentedCompany background available

These are brand facts. They do not certify the quality or authenticity of an individual listing.

01 / Buying facts

What you can check.

Warranty & support

Warranty, return and support terms are not yet documented. Check the policy for the exact product, seller and country.

History on record

1887 — corporate heritage of Mitsubishi Pencil Company; this is not asserted as the launch year of every uni-ball line

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02 / Company & ownership

Behind the brand.

uni-ball is a writing-instrument brand of Mitsubishi Pencil Company, Limited, a Japanese pencil maker founded in 1887. Its current portfolio includes water-based and gel ballpoint families such as uni-ball One, Signo and ZENTO, sold through regional ranges. Tip size, ink type, refill code and permanence or surface claim must match the exact pen. The legal owner is Mitsubishi Pencil Company; shoppers should not infer ownership from other companies that also use the Mitsubishi name.

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03 / Product guide

Start with the right product.

Representative products from our brand research; popularity and current availability are not independently ranked.

Sources · checked
Categories in our shortlist

These category assignments are editorial selections, not product testing.

What is still unknown?

We do not yet have documented answers for these parts of Uni-ball’s profile. Missing evidence is not a negative finding about the brand.

  • Company timeline
  • Warranty and aftercare
  • Design location
  • Manufacturing by product line
  • In-house and outsourced work

04 / More research

Keep researching Uni-ball.

See the Brand Check classification and community feedback →