Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625845 | Cyclonic vacuum cleaner | Yukimichi Matsumoto, Hiroshi Ota, Kenji Kimura, Takayuki Tujii, Masahiro Sato +2 more | 2003-09-30 |
| 6553613 | Electric vacuum cleaner | Kazumasa Hayashi, Kiyomu Nagai, Teruhisa Inoue, Nobuharu Hikida | 2003-04-29 |