Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985198 | Tooth-adhesive compounds | Tadashi Hirasawa | 1991-01-15 |
| 4591649 | Compounds bondable to tooth substrates | Tadashi Hirasawa | 1986-05-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985198 | Tooth-adhesive compounds | Tadashi Hirasawa | 1991-01-15 |
| 4591649 | Compounds bondable to tooth substrates | Tadashi Hirasawa | 1986-05-27 |