
June 25, 2010
In Brief...
On May 28, 2101, Obun was granted the following patent for technologies related to production of the Rewritable Paper products that we currently manufacture and market.
Patent No.: 4519184
Title of Invention: Writing Paper, and Production Method for Writing Paper
Patent Holder: Obun Printing Company, Inc.; 1-17-2 Hongo, Bunkyo-ku, Tokyo
Patent Issue Date: May 28, 2010