Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833226 | Hardener for curable one-package epoxy resin system | Hidekazu Ishimura, Masahiko Otsuka, Yasushi Takahashi | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833226 | Hardener for curable one-package epoxy resin system | Hidekazu Ishimura, Masahiko Otsuka, Yasushi Takahashi | 1989-05-23 |