Pentel Co. Ltd. (ãºãââã¦ãââ¹Ã¦Â ªå¼Â会社 Penteru Kabushiki Gaisha) is a privately held Japanese manufacturing company of stationery products. The name is a combination of the English words pen and tell (as in telling a story). Pentel is also the inventor of non-permanent marker technology. Most Pentel products