Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817059 | Vacuum cleaner | Norihiro Tsuchiya, Hiroshi Mori, Hideo Okubo, Saburo Kajikawa | 2004-11-16 |
| 6684451 | Vacuum cleaner | Tamaki Nishikori, Hiroshi Hayakawa, Naoyuki Ohara, Koichi Ito, Toru Odachi +1 more | 2004-02-03 |