Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735818 | Upright type electric vacuum cleaner | Atsuo Hamada, Kazuyoshi Yoshimi, Atsushi Okuda | 2004-05-18 |
| 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 |
| 6058559 | Electric vacuum cleaner | Kazuyoshi Yoshimi, Isao Yoneda | 2000-05-09 |