Established in 1929 in Tokyo, OHTO CO.,LTD. is credited with many technical inventions.
1949 – OHTO manufactured the world’s first pencil-shaped ballpoint pen with chrome ball. This is the first MADE IN JAPAN ball point pen.
1960 – OHTO developed a non-smudging, fade resistant ballpoint pen ink.
1963 – OHTO manufactured world’s first water-based ball point pen (present day Roller Pen). In the same year, they launched the ballpoint pens with tungsten carbide balls using polyamide resin (first in the world).
1977 – They are also the first in the world to introduce rubber grip pen.
2000 – OHTO manufactured single-block strong Needle Tip.