Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907889 | Vacuum cleaner | Sadao Fukushima, Shuzo Ueyama, Kazumasa Kamatani | 1999-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907889 | Vacuum cleaner | Sadao Fukushima, Shuzo Ueyama, Kazumasa Kamatani | 1999-06-01 |