Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873222 | Placenta-derived anticoagulating substance | Hideo Yoshizaki | 1989-10-10 |
| 4843700 | Locking structure of wire rod for filter element | — | 1989-07-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873222 | Placenta-derived anticoagulating substance | Hideo Yoshizaki | 1989-10-10 |
| 4843700 | Locking structure of wire rod for filter element | — | 1989-07-04 |