Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889797 | Dry analytical element having a spread control area for assaying enzyme activity | Shigeki Kageyama, Harumi Katsuyama | 1989-12-26 |
YA
Yoshikazu Amano
Overall (1989): #41,470 of 140,708Top 30%
1
Patents 1989