Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899626 | File folder | Nobuaki Hatano | 1999-05-04 |
| 5884836 | Enforcement structure of a file folder | Nobuaki Hatano | 1999-03-23 |
| 5741028 | Folder | Nobuaki Hatano | 1998-04-21 |
| 5738271 | File folder having a clip device disposed thereto | Nobuaki Hatano | 1998-04-14 |