Stationery Archives - Kosoado Japan

Emulsion Ink: Fusion Of Oil-based & Water-based Ink

A completely new type of emulsion ink that is neither oil-based nor water-based, nor gel ink. Here is the introduction

Pen ink lead has a transparent liquid inside. But what is that? And what is it for? Let me introduce

Pen inks can be oil-based, water-based, or gel ink, in general. But they can also be further divided into dye

There are various types of ballpoint pens, but most ballpoint pens have ink that hardens and does not write well

Ink leaks are the biggest enemy that interferes with comfortable writing, aren’t they? No matter how many times you wipe

Many people use fountain pens as they can last a lifetime with care and regular maintenance. In this article, I

“The ink from my ballpoint pen didn’t dry and got all over my sleeve.” “Fountain pen ink got on my

Notebooks are indispensable for studying. A good notebook, though a bit expensive, will motivate you more than a cheap one

Pens are indispensable in our daily lives, whether we are working or studying. But many of us may choose a

Notebooks are indispensable for study and work, and are used in a variety of situations. However, many stationery manufacturers sell