Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4503145 | Quantitative analysis film | Harumi Katsuyama, Asaji Kondo | 1985-03-05 |
| 4478942 | Quantitative analysis film and a method for colorimetric analysis using the same | Harumi Katsuyama, Asaji Kondo | 1984-10-23 |