Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684451 | Vacuum cleaner | Tomonori Kato, Tamaki Nishikori, Hiroshi Hayakawa, Naoyuki Ohara, Koichi Ito +1 more | 2004-02-03 |
SH
Seizo Hayashi
Overall (2004): #118,989 of 270,089Top 45%
1
Patents 2004