Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588051 | Electric vacuum cleaner having a structure for facilitating the manufacturability thereof | Kiyoshi Hashizume, Koichi Ito | 2003-07-08 |
| 6574827 | Electric vacuum cleaner having increased stability and resistance against inadvertant falling over of the vacuum cleaner | Kiyoshi Hashizume, Koichi Ito | 2003-06-10 |