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R&D ABILITY

Strong R&D Ability for Product Innovation

In fulfilling our obligation as OEM/ODM, through our wealth of experience and flexible thinking, many of even the most highly
challenging requests and desires of our customers have been realized, often as innovative products that have not heretofore existed.
With standards developed over long term R&D experience, we offer delivery of trouble free products through high quality R&D.
In addition, our product designers, developers, and sales, all unite as one R&D team to support our customer's quality product creation.
We continue to compete at the top level of the industry in our R&D ability, possessing patents and utility rights in quantities
that rival our renowned domestic writing instruments companies.

A Sampling of our Innovations

A partial introduction to Kotobuki's innovative creations that adds convenience and pleasure to writing.

Mechanical
Pencil

Functional Illustrations

Highlights of Mechanical Pencil Functions Specifically Designed by Kotobuki. Evolution from Cushion Mechanism to Jam Free Mechanism.

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Mechanical
Pencil

Cushion Tip Slide Mechanism

Writes 4 times more with 1 knock, compared to standard mechanical pencils.

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Mechanical
Pencil

Jam Free Mechanism

Anti-Shock Construction prevents internal lead breakage and jamming.

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Mechanical
Pencil

Double Knock Mechanism

Retraction and protection of the tip cone, through two-step knock action.

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Mechanical
Pencil

Twist Eraser Mechanism

Additional eraser is exposed by twisting the barrel, with this Twist Eraser Mechanism.

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Ballpoint
Pen Ink

BETTER GEL INK

Newly developed water based quick dry dye ink. This low viscosity ink provides pleasantly smooth writing.

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Ballpoint
Pen Ink

MACH INK

This ink combines the best characteristics in oil based ink and smooth writing.

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Multi
functional

Multifunction Slim 3F

Three functions installed in one thin barrel. The slimmest barrel offered within our multifunction products.

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Multi
functional

Multifunction 2F, 3F, 4F

Select from two to four functions to fill your needs as you may desire in your product.

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