Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7383608 | Vacuum-cleaner suction tool and vacuum cleaner using the same | Toru Odachi, Hideo Okubo, Tetsuo Imai | 2008-06-10 |
| 7174593 | Vacuum cleaner having an ion generator | Masakuni Soejima, Yasushi Kondo, Yoshihiro Taniguchi, Ryohei Yoshida, Masaki Shibuya +5 more | 2007-02-13 |
| 7047593 | Vacuum cleaner capable of compressing dirt | Hidenori Kitamura, Masakazu Onda, Seiji Ishikawa, Yasunori Tsuzaki, Masashi Okushima +3 more | 2006-05-23 |
| 6817059 | Vacuum cleaner | Norihiro Tsuchiya, Hiroshi Mori, Tomonori Kato, Hideo Okubo | 2004-11-16 |
| 6647587 | Vacuum cleaner using centrifugal force dust collection to prevent filter blinding | Naoyuki Ohara, Tomonori Kato, Hiroshi Mori, Kouichi Ito, Shin Yoshida | 2003-11-18 |
| 6536073 | Electric vacuum cleaner | Hiroyuki Uratani, Yoshiaki Ohnishi, Toshifumi Miyahara, Masaki Shibuya, Kazuma Suo | 2003-03-25 |