Junk FilterBrand Check
Uni-ball
On our established-brand list
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.
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Sources & details5 references · History, warranty and open questions
History. 1887 — corporate heritage of Mitsubishi Pencil Company; this is not asserted as the launch year of every uni-ball line
Still to research: Warranty, Production location. Missing information is not a negative finding about the brand.
- Official uni-ball website ↗Reviewed 2026-09-15
- Mitsubishi Pencil company history ↗Reviewed 2026-09-15
- Official Mitsubishi Pencil corporate filing ↗Reviewed 2026-09-15
- Mitsubishi Pencil company and product information ↗Reviewed 2026-09-15
- Official Mitsubishi Pencil product information ↗Reviewed 2026-09-15
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