Mitsubishi Pencil Co., Ltd. engages in the manufacture and sale of writing instruments and its peripheral products. It operates through the following segments: Writing Instruments and Peripheral Products and Others. The Writing Instruments and Peripheral Products segment produces and supplies pencils, mechanical pencils, mechanical pencil leads, oil-based ballpoint pens, aqueous ballpoint pens, gel ink ballpoint pen, felt-tip pens, office automation supplies, sharpeners, erasers, repairing supplies, and cosmetics. The Other segment offers adhesive tapes and handicrafts. The company was founded by Niroku Masaki in 1887 and is headquartered in Tokyo, Japan.