Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7224477 | Printer and printing system capable of high secret printing | Kazuhito Gassho, Susumu Shiohara | 2007-05-29 |
| 7180626 | Printer system, printer control method, and recording medium | Kazuhito Gassho, Hiroaki Sekizawa | 2007-02-20 |