Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500454 | Denture base separating material | Jinichi Obana, Shigeru Hanatani, Junichi Okada, Yukari Nasu | 1996-03-19 |
| 5043361 | Compositions for dental restoration | Takao Kubota, Tetsuro Sakuma | 1991-08-27 |
| 4873269 | Resinous compositions for denture base | — | 1989-10-10 |
| 4843110 | Light curing compositions for dental restoration | Takao Kubota, Tetsuro Sakuma | 1989-06-27 |
| 4820744 | Compositions for dental restoration | Takao Kubota, Tetsuro Sakuma | 1989-04-11 |
| 4804690 | Light curing compositions for dental restoration | Takao Kubota, Tetsuro Sakuma | 1989-02-14 |
| 4771084 | Light curing compositions for dental restoration | Takao Kubota, Tetsuro Sakuma | 1988-09-13 |
| 4748198 | Coating materials for protecting the surfaces of teeth | Masayuki Takahashi | 1988-05-31 |