Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370471 | Writing tool, with eraser dispenser | Shubei Kageyama, Toshihiko Kageyama, Youichi Nakazato | 1994-12-06 |
| 5306107 | Twin-type stick-shaped material extending container | Shuhei Kageyama, Shoji Anzai | 1994-04-26 |