Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843981 | Tooth bleaching compositions and methods of bleaching discolored tooth | Takuro Ishibashi, Emi Higashiizumi, Ryuji Sotoaka, Fukusaburo Ishihara, Minoru Kakuda +1 more | 2005-01-18 |
| 6231343 | Method for bleaching discolored tooth by titanium dioxide photocatalyst | Takuro Ishibashi, Hiroshi Taoda, Toru Nonami | 2001-05-15 |