Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4542167 | Dental cement composition comprising hydroxyapatite and acrylic acid/itaconic acid copolymer hardener | — | 1985-09-17 |
| 4451235 | Process for preparing an artificial dental root | Kensuke Okuda, Hirosi Nagai, Hiroto Fujimaki, Atsushi Tomonaga | 1984-05-29 |
| 4342741 | Dentifrice compositions | — | 1982-08-03 |
| 4327079 | Dentifrice compositions | — | 1982-04-27 |
| 4222128 | Composite implant materials and process for preparing same | Atsushi Tomonaga | 1980-09-16 |