Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192550 | Dust-collecting device for vacuum cleaner and upright type vacuum cleaner | Atsuo Hamada, Kazumasa Kamatani, Kazuyoshi Yoshimi, Atsushi Okuda, Souji Sakata +2 more | 2001-02-27 |