Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810294 | Solubilizer for water-insoluble alginates, aqueous solution thereof and dissolving method using the aqueous solution | Toshiharu Yagi, Hiromichi Sakuma | 1989-03-07 |
| 4810295 | Impression composition | Toshiharu Yagi, Yoshihide Higashihata, Hiromichi Sakuma, Yoshito Tanaka, Minako Inomata +3 more | 1989-03-07 |