Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374443 | 360° electrical contact within a vacuum cleaner hose | Kazuo Saitou, Yuji Fujiwara, Hiroyuki Takami, Hirotaka Shikano | 2008-05-20 |
| 7337493 | Upright-type electric vacuum cleaner with detachable dust collector | Shuzo Ueyama, Hidetoshi Fukuoka, Jun Yoshida, Yoshihiro Mori | 2008-03-04 |