Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865698 | Reference solution for measuring ionic activity | — | 1989-09-12 |
| 4842712 | Device for measuring ion activity | Osamu Seshimoto, Yoshio Saito | 1989-06-27 |
| H602 | Whole blood diluting solution | — | 1989-03-07 |