Platinum Pen Co., Ltd. was founded in 1919 by Toshiichi Nakata to build fountain pens. In 1949, Platinum Pen received first prize in the first international pen exhibition in Japan. In 1957, as a forerunner in the industry, Platinum Pen started selling a type of fountain pens that is refillable with an ink cartridge, called the "Platinum Honest 60". In 1958, the company sent testers to try this fountain pen in the Himalaya Mountains and proved that the ink does not leak despite the low atmospheric pressure.

Today, Platinum Pen's cartridge refillable fountain pens are some of the most popular in the market place. The affordable and extremely practical Preppy fountain pens are loved by fountain pen novices and experienced users alike, while the stunning Century 3776 series appeals to those looking for an executive style.