Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028989 | Paper stacking apparatus | Naofumi Kitagawa, Shinji Shibata | 2011-10-04 |
| 7976005 | Paper sheets storage and paper sheets handling apparatus | Hiroshi Ichikawa, Shinji Shibata, Riichi Kato | 2011-07-12 |