Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992246 | Radial vane for tooth brush, tooth brush using the same, and method and device for manufacturing the radial vane for the tooth brush | Toshifumi Takeuchi, Izumi Higuchi | 2011-08-09 |