Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D584462 | Vacuum cleaner | Masakazu Umeda | 2009-01-06 |
| D581110 | Electric vacuum cleaner body | Kiyoaki Konno, Hisashi Yoshida, Masakazu Umeda | 2008-11-18 |
| D573759 | Electric vacuum cleaner | Kiyoaki Konno, Masakazu Umeda, Hisashi Yoshida, Morgan S. Brown | 2008-07-22 |
| D570563 | Vacuum cleaner | Masakazu Umeda, Hisashi Yoshida, Morgan S. Brown | 2008-06-03 |
| D570567 | Vacuum cleaner | Masakazu Umeda, Hisashi Yoshida, Morgan S. Brown | 2008-06-03 |
| D566915 | Nozzle for electric vacuum cleaner | Kiyoaki Konno, Masakazu Umeda, Syuuichi Hosoda, Morgan S. Brown | 2008-04-15 |
| D564159 | Nozzle for electric vacuum cleaner | Kiyaoki Konno, Masakazu Umeda, Syuuichi Hosoda, Morgan S. Brown | 2008-03-11 |
| D510438 | Oxygen concentrator | Osamu Kondo | 2005-10-04 |
| D487827 | Vacuum cleaner nozzle | Ikuko Wakita, Osamu Kondo | 2004-03-23 |
| D487828 | Vacuum cleaner nozzle | Osamu Harada, Osamu Kondo | 2004-03-23 |