Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710995 | Electric motor driven toothbrush | Hisashi Joyashiki, Masakazu Oohigashi, Masao Terai | 1987-12-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710995 | Electric motor driven toothbrush | Hisashi Joyashiki, Masakazu Oohigashi, Masao Terai | 1987-12-08 |