uni (Mitsubishi Pencil Co., Ltd.)
- Country
- JP
- Founded
- 1887
- Manufacturer site
- www.mpuni.co.jp
Japanese writing-instrument maker founded in 1887 by Niroku Masaki as the Masaki Pencil Manufactory in Tokyo. It registered its three-diamond trademark in 1903 to commemorate its first pencils supplied to the communications ministry; the company is independent of the Mitsubishi conglomerate. Under the uni and uni-ball brands it makes the Jetstream, Signo and Kuru Toga lines, among others.
2 models in the catalogue
The catalogue holds only models that passed the legend rubric — the list below is not the brand’s full range.
Sources
- 三菱鉛筆のあゆみ (kronika firmowa Mitsubishi Pencil) · manufacturer · accessed 2026-08-11
- 三菱鉛筆のあゆみ — wpis o premierze Jetstream (2006) · manufacturer · accessed 2026-08-11