Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969003 | Operation device and work vehicle | Takashi Kosaki | 2021-04-06 |
| 8027176 | Switching power supply circuit | — | 2011-09-27 |
| 7655060 | Dust collection unit for electric vacuum cleaner and upright electric vacuum cleaner | Atsuo Hamada, Kazumasa Kamatani, Kazuyoshi Yoshimi, Akihiro Yoneyama | 2010-02-02 |
| 7175682 | Electric vacuum cleaner equipped with a dust collection unit | Atsuo Hamada, Kazumasa Kamatani, Kazuyoshi Yoshimi, Akihiro Yoneyama | 2007-02-13 |
| 7014675 | Electric vacuum cleaner equipped with a dust collection unit | Atsuo Hamada, Kazumasa Kamatani, Kazuyoshi Yoshimi, Akihiro Yoneyama | 2006-03-21 |
| 6336244 | Electric blower and electric cleaning device using the same | Takao Tarutani, Toshihiro Suto, Masaki Sasao, Toshio Otani, Yoshihisa Ueno +7 more | 2002-01-08 |