Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009898 | Antimicrobial hydroxyapatite powders and methods for preparing them | Kiminori Atsumi, Keijiro Fujita | 1991-04-23 |
| 4923683 | Compositions for preventing tooth decay | Kiminori Atsumi | 1990-05-08 |
| 4691718 | Toothbrush | Hirotaka Fujinawa | 1987-09-08 |