Who invented gel pen?
History. In 1984, the first gel pens were produced by Sakura Color Products of Osaka, Japan. The first gel pen to be released commercially was the Ballsign 280, which was sold by Sakura Color Products in Japan.
History. In 1984, the first gel pens were produced by Sakura Color Products of Osaka, Japan. The first gel pen to be released commercially was the Ballsign 280, which was sold by Sakura Color Products in Japan.
