Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10869741 | Electric toothbrush and method for operating an electric toothbrush | Hideaki Yoshida, Mamoru Katano, Sakae MORIKAWA | 2020-12-22 |
| 10765323 | Electric toothbrush, brush unit, and method for operating an electric toothbrush | Hideaki Yoshida, Mamoru Katano | 2020-09-08 |
| 10743649 | Plaque detecting device and toothbrush | Hideyuki Yamashita, Kosuke Abe, Hideaki Yoshida, Yasuhiro Kawabata | 2020-08-18 |