Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437465 | Rotary brush device and vacuum cleaner using the same | Hiroshi Nishimura | 2002-08-20 |
| 6400048 | Rotary brush device and vacuum cleaner using the same | Hiroshi Nishimura | 2002-06-04 |
| 6345411 | Vacuum cleaner | Tomonori Kato, Tamaki Nishikori, Hiroshi Hayakawa, Naoyuki Ohara, Koichi Ito +1 more | 2002-02-12 |