Onishi Seisakusho

Onishi Seisakusho's pen is known as one of the best pens in Japan. Onishi Seisakusho produces with the philosophy inherited by Mr. Kato (from Kato Seisakusho Company) in mind, which states "to make fountain pens completely for practical use, to provide with cheap and good products without any additional decoration, incorporating the greatest of all Japanese technologies.