Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12348086 | Magnet arrangement method and rotor manufacturing method | Kazuhiro Sato | 2025-07-01 |
| 6742220 | Nozzle unit for vacuum cleaner | Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato +3 more | 2004-06-01 |
| 6345408 | Electric vacuum cleaner and nozzle unit therefor | Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato +3 more | 2002-02-12 |