Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350263 | Electric vacuum cleaner | Kazuyoshi Yoshimi, Kazumasa Kamatani, Hiroyuki Takami, Kouichi Nakai | 2008-04-01 |
| 7337493 | Upright-type electric vacuum cleaner with detachable dust collector | Hidetoshi Fukuoka, Shinichi Hagino, Jun Yoshida, Yoshihiro Mori | 2008-03-04 |
| 5907889 | Vacuum cleaner | Sadao Fukushima, Kazumasa Kamatani, Shuichi HIGUCHI | 1999-06-01 |
| 5768746 | Electric vacuum cleaner | Kazumasa Kamatani, Sadao Fukushima, Kazuyoshi Yoshimi, Tomonari Kawaguchi, Isao Yoneda +1 more | 1998-06-23 |