Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742220 | Nozzle unit for vacuum cleaner | Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura +3 more | 2004-06-01 |
| 6553613 | Electric vacuum cleaner | Yuji Onishi, Kazumasa Hayashi, Teruhisa Inoue, Nobuharu Hikida | 2003-04-29 |
| 6345408 | Electric vacuum cleaner and nozzle unit therefor | Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura +3 more | 2002-02-12 |