Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8443486 | Electric vacuum cleaner | Izumi Yamaura, Koichi Nakano, Tetsuya Kouda | 2013-05-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8443486 | Electric vacuum cleaner | Izumi Yamaura, Koichi Nakano, Tetsuya Kouda | 2013-05-21 |