Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766558 | Vacuum cleaner | Hiroshi Ota, Teruhisa Inoue | 2004-07-27 |
| 6625845 | Cyclonic vacuum cleaner | Hiroshi Ota, Yuji Onishi, Kenji Kimura, Takayuki Tujii, Masahiro Sato +2 more | 2003-09-30 |
| 4715552 | Multi-spindle winder | — | 1987-12-29 |