Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326055 | Method for bleaching teeth and bleaching agent for teeth | Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Shoji Akahane, Takeshi Morikawa +2 more | 2008-02-05 |
| 7250155 | Dental bleaching agent kit and the method for bleaching teeth | Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Shoji Akahane, Takeshi Morikawa +2 more | 2007-07-31 |