Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798142 | Flash emitting device and radiant heating apparatus | — | 2004-09-28 |
| 6783363 | Discolored teeth bleaching system | Kazutomo Takami, Takuro Ishibashi, Toru Nonami | 2004-08-31 |