Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580981 | Fluorine-containing monomer and process for producing the same | Hideyuki Yasumi, Shyoei Hirayama | 1986-04-08 |
| 4579881 | Soft material for lining a denture base | Eiichi Masuhara, Iwao Hayakawa, Hideyuki Yasumi | 1986-04-01 |
| 4484894 | Sheet for lining denture base | Eiichi Masuhara, Kunizoh Kidoh | 1984-11-27 |