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 | Hideo Okubo, Saburo Kajikawa, Tetsuo Imai | 2008-06-10 |
| 7311742 | Vacuum cleaner | Hiroshi Mori, Kenichiro Sunaba, Tetsuo Imai | 2007-12-25 |
| 7306640 | Vacuum cleaner | Yoshiki Kuroki, Seiji Yamaguchi, Tomonori Kato, Masashi Okushima, Yuichi Shimizu +7 more | 2007-12-11 |
| 6901624 | Self-moving cleaner | Hiroshi Mori, Kiminori Kato, Naoyuki Ohara, Hidetaka Yabuuchi, Hiroyuki Kayama +7 more | 2005-06-07 |
| 6684451 | Vacuum cleaner | Tomonori Kato, Tamaki Nishikori, Hiroshi Hayakawa, Naoyuki Ohara, Koichi Ito +1 more | 2004-02-03 |
| 6345411 | Vacuum cleaner | Tomonori Kato, Tamaki Nishikori, Hiroshi Hayakawa, Naoyuki Ohara, Koichi Ito +1 more | 2002-02-12 |